#A3092D

Closest named color: Rouge (#AB1239). oklch(45.6% 0.178 18.7), rgb(163, 9, 45).

Aa

White text reads best on this color (7.97:1).

About this color

#A3092D is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.178 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.023 away. White text reads best on it, at 7.97:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.178)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.63:1
White text7.97:1

Values

HEX#A3092D
RGBrgb(163, 9, 45)
HSLhsl(346, 90%, 34%)
OKLCHoklch(45.6% 0.178 18.7)

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 #A3092D 7.97:1 AAA Lc -90.3 Preferred for body text
Black text on #A3092D 2.63:1 Fails Lc 18.6 Dividers and decoration only
#A3092D text on white 7.97:1 AAA Lc 85.5 Fine for body text
#A3092D text on black 2.63:1 Fails Lc -16.6 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 800.

  1. Step 50

    50

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FEE2E2

    oklch(93.6% 0.031 17.7)

  3. Step 200

    200

    #FDCBCA

    oklch(88.5% 0.057 19.6)

  4. Step 300

    300

    #FDA5A6

    oklch(80.9% 0.105 18.9)

  5. Step 400

    400

    #F76F77

    oklch(70.8% 0.167 18.8)

  6. Step 500

    500

    #EE3C54

    oklch(63.1% 0.212 18.8)

  7. Step 600

    600

    #D7003C

    oklch(55.7% 0.223 18.7)

  8. Step 700

    700

    #B60031

    oklch(49.2% 0.197 18.8)

  9. Step 800

    800 (this color)

    #A3092D

    oklch(45.6% 0.178 18.7)

  10. Step 900

    900

    #7B0F23

    oklch(37.8% 0.14 18.5)

  11. Step 950

    950

    #480D15

    oklch(26.9% 0.088 18.1)

Export this scale for Tailwind in the Tailwind colors tool

#A3092D 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)#413D2D0.200
Deuteranopia (no green cones)#655B280.180
Tritanopia (no blue cones)#B4001C0.039
Achromatopsia (no color)#5151510.180

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3092D

    #A3092D

    oklch(45.6% 0.178 18.7)

  • #006467

    #006467

    oklch(45.7% 0.078 198.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3092D

    #A3092D

    oklch(45.6% 0.178 18.7)

  • #971467

    #971467

    oklch(45.6% 0.178 348.5)

  • #8B3D00

    #8B3D00

    oklch(45.7% 0.123 49)

Open the analogous palette in the generator

Split complementary

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

  • #A3092D

    #A3092D

    oklch(45.6% 0.178 18.7)

  • #00674E

    #00674E

    oklch(45.7% 0.092 168.8)

  • #00607E

    #00607E

    oklch(45.7% 0.089 228.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3092D

    #A3092D

    oklch(45.6% 0.178 18.7)

  • #246800

    #246800

    oklch(45.6% 0.143 138.7)

  • #0050B5

    #0050B5

    oklch(45.6% 0.174 258.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3092D

    #A3092D

    oklch(45.6% 0.178 18.7)

  • #5C5B00

    #5C5B00

    oklch(45.7% 0.099 109)

  • #006467

    #006467

    oklch(45.7% 0.078 198.4)

  • #583BB2

    #583BB2

    oklch(45.7% 0.179 288.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3092D, closest first.

No curated palette has a color within ΔE 0.04 of #A3092D.

Similar named colors

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

Use #A3092D 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.