#A3135F

Closest named color: Deep Magenta (#A0025C). oklch(47.4% 0.183 356), rgb(163, 19, 95).

Aa

White text reads best on this color (7.45:1).

About this color

#A3135F is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.183 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Magenta (#A0025C), ΔE 0.014 away. White text reads best on it, at 7.45:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameDeep Magenta (#A0025C)
Black text2.81:1
White text7.45:1

Values

HEX#A3135F
RGBrgb(163, 19, 95)
HSLhsl(328, 79%, 36%)
OKLCHoklch(47.4% 0.183 356)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #A3135F 7.45:1 AAA Lc -89.1 Fine for body text
Black text on #A3135F 2.81:1 Fails Lc 19.9 Dividers and decoration only
#A3135F text on white 7.45:1 AAA Lc 84.1 Fine for body text
#A3135F text on black 2.81:1 Fails Lc -17.8 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #F9E3EA

    oklch(93.6% 0.026 356.3)

  3. Step 200

    200

    #F5CCDA

    oklch(88.4% 0.049 355.6)

  4. Step 300

    300

    #F0A9C2

    oklch(80.9% 0.089 356.4)

  5. Step 400

    400

    #E478A3

    oklch(70.6% 0.141 356.1)

  6. Step 500

    500

    #D9508D

    oklch(63.1% 0.181 356)

  7. Step 600

    600

    #C42C77

    oklch(55.6% 0.197 355.9)

  8. Step 700

    700 (this color)

    #A3135F

    oklch(47.4% 0.183 356)

  9. Step 800

    800

    #891B52

    oklch(42.6% 0.152 355.6)

  10. Step 900

    900

    #6F1F43

    oklch(37.8% 0.118 356.7)

  11. Step 950

    950

    #411328

    oklch(26.9% 0.076 355.1)

Export this scale for Tailwind in the Tailwind colors tool

#A3135F with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#3844610.208
Deuteranopia (no green cones)#5F5E5C0.183
Tritanopia (no blue cones)#B100390.064
Achromatopsia (no color)#5555550.185

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #A3135F

    #A3135F

    oklch(47.4% 0.183 356)

  • #006C5A

    #006C5A

    oklch(47.5% 0.089 175.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3135F

    #A3135F

    oklch(47.4% 0.183 356)

  • #8C2791

    #8C2791

    oklch(47.3% 0.183 325.9)

  • #AB121B

    #AB121B

    oklch(47.3% 0.183 26.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #A3135F

    #A3135F

    oklch(47.4% 0.183 356)

  • #007021

    #007021

    oklch(47.4% 0.145 146.1)

  • #006872

    #006872

    oklch(47.3% 0.081 206.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3135F

    #A3135F

    oklch(47.4% 0.183 356)

  • #596300

    #596300

    oklch(47.5% 0.109 116.4)

  • #00638D

    #00638D

    oklch(47.3% 0.102 236.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3135F

    #A3135F

    oklch(47.4% 0.183 356)

  • #745700

    #745700

    oklch(47.4% 0.097 86.1)

  • #006C5A

    #006C5A

    oklch(47.5% 0.089 175.9)

  • #2B4FC1

    #2B4FC1

    oklch(47.4% 0.183 266)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3135F, closest first.

No curated palette has a color within ΔE 0.04 of #A3135F.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #A3135F in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.