#A13D3F

Closest named color: Brick (#A03623). oklch(49.9% 0.133 22.1), rgb(161, 61, 63).

Aa

White text reads best on this color (6.45:1).

About this color

#A13D3F is a medium-dark, moderately saturated red. In OKLCH its lightness is 50%, its chroma 0.133 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.031 away. White text reads best on it, at 6.45:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromamoderately saturated (0.133)
Temperaturewarm
Nearest nameBrick (#A03623)
Black text3.25:1
White text6.45:1

Values

HEX#A13D3F
RGBrgb(161, 61, 63)
HSLhsl(359, 45%, 44%)
OKLCHoklch(49.9% 0.133 22.1)

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 #A13D3F 6.45:1 AA Lc -86.4 Fine for body text
Black text on #A13D3F 3.25:1 AA large text Lc 22.8 Dividers and decoration only
#A13D3F text on white 6.45:1 AA Lc 81.3 Fine for body text
#A13D3F text on black 3.25:1 AA large text Lc -20.6 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 700.

  1. Step 50

    50

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F6E5E4

    oklch(93.5% 0.019 21.6)

  3. Step 200

    200

    #F0D0CE

    oklch(88.4% 0.036 22.1)

  4. Step 300

    300

    #E8B1AE

    oklch(81% 0.065 22.2)

  5. Step 400

    400

    #D98683

    oklch(70.6% 0.103 22.2)

  6. Step 500

    500

    #CD6564

    oklch(63% 0.132 22.1)

  7. Step 600

    600

    #B84A4C

    oklch(55.6% 0.143 21.9)

  8. Step 700

    700 (this color)

    #A13D3F

    oklch(49.9% 0.133 22.1)

  9. Step 800

    800

    #813132

    oklch(42.7% 0.111 22.3)

  10. Step 900

    900

    #682C2C

    oklch(37.7% 0.087 22.1)

  11. Step 950

    950

    #3D1B1A

    oklch(27.1% 0.054 23)

Export this scale for Tailwind in the Tailwind colors tool

#A13D3F 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)#56513E0.143
Deuteranopia (no green cones)#6F663D0.132
Tritanopia (no blue cones)#B02A3F0.038
Achromatopsia (no color)#5E5E5E0.134

Harmonies

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

Complementary

The opposite hue (180°).

  • #A13D3F

    #A13D3F

    oklch(49.9% 0.133 22.1)

  • #007178

    #007178

    oklch(50% 0.085 202.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A13D3F

    #A13D3F

    oklch(49.9% 0.133 22.1)

  • #993D6B

    #993D6B

    oklch(49.9% 0.133 351.9)

  • #9A4900

    #9A4900

    oklch(49.9% 0.129 51.9)

Open the analogous palette in the generator

Split complementary

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

  • #A13D3F

    #A13D3F

    oklch(49.9% 0.133 22.1)

  • #00745D

    #00745D

    oklch(49.8% 0.096 172.6)

  • #006C93

    #006C93

    oklch(49.9% 0.102 232.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A13D3F

    #A13D3F

    oklch(49.9% 0.133 22.1)

  • #2D7527

    #2D7527

    oklch(49.9% 0.134 142.1)

  • #3760AE

    #3760AE

    oklch(50% 0.133 261.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A13D3F

    #A13D3F

    oklch(49.9% 0.133 22.1)

  • #656900

    #656900

    oklch(50% 0.111 112.4)

  • #007178

    #007178

    oklch(50% 0.085 202.3)

  • #6651A7

    #6651A7

    oklch(49.8% 0.133 292.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A13D3F, closest first.

Similar named colors

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

Use #A13D3F 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.