#A13724

Closest named color: Brick (#A03623). oklch(48.7% 0.144 32.4), rgb(161, 55, 36).

Aa

White text reads best on this color (6.80:1).

About this color

#A13724 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.144 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.003 away. White text reads best on it, at 6.80:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.144)
Temperaturewarm
Nearest nameBrick (#A03623)
Black text3.08:1
White text6.80:1

Values

HEX#A13724
RGBrgb(161, 55, 36)
HSLhsl(9, 63%, 39%)
OKLCHoklch(48.7% 0.144 32.4)

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 #A13724 6.80:1 AA Lc -87.6 Fine for body text
Black text on #A13724 3.08:1 AA large text Lc 21.5 Dividers and decoration only
#A13724 text on white 6.80:1 AA Lc 82.6 Fine for body text
#A13724 text on black 3.08:1 AA large text Lc -19.4 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

    #FCF3F1

    oklch(97.1% 0.01 32.5)

  2. Step 100

    100

    #F7E5E1

    oklch(93.5% 0.021 32.5)

  3. Step 200

    200

    #F2D0C9

    oklch(88.4% 0.04 31.6)

  4. Step 300

    300

    #EAB1A4

    oklch(80.9% 0.07 33.2)

  5. Step 400

    400

    #DD8674

    oklch(70.8% 0.111 32.5)

  6. Step 500

    500

    #D1644F

    oklch(63% 0.142 32.4)

  7. Step 600

    600

    #BD4833

    oklch(55.7% 0.155 32.3)

  8. Step 700

    700 (this color)

    #A13724

    oklch(48.7% 0.144 32.4)

  9. Step 800

    800

    #843020

    oklch(42.8% 0.119 32.8)

  10. Step 900

    900

    #6A2B1F

    oklch(37.6% 0.093 32.5)

  11. Step 950

    950

    #3F1A13

    oklch(27.1% 0.06 32.2)

Export this scale for Tailwind in the Tailwind colors tool

#A13724 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)#554C210.149
Deuteranopia (no green cones)#6F64200.138
Tritanopia (no blue cones)#B11A330.053
Achromatopsia (no color)#5B5B5B0.145

Harmonies

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

Complementary

The opposite hue (180°).

  • #A13724

    #A13724

    oklch(48.7% 0.144 32.4)

  • #006C7C

    #006C7C

    oklch(48.8% 0.085 212.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A13724

    #A13724

    oklch(48.7% 0.144 32.4)

  • #9D3359

    #9D3359

    oklch(48.7% 0.144 2.1)

  • #8B4F00

    #8B4F00

    oklch(48.8% 0.111 62.8)

Open the analogous palette in the generator

Split complementary

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

  • #A13724

    #A13724

    oklch(48.7% 0.144 32.4)

  • #006F64

    #006F64

    oklch(48.6% 0.087 183.1)

  • #00659B

    #00659B

    oklch(48.6% 0.116 242.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A13724

    #A13724

    oklch(48.7% 0.144 32.4)

  • #00733A

    #00733A

    oklch(48.7% 0.126 152.6)

  • #4555B0

    #4555B0

    oklch(48.6% 0.145 272.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A13724

    #A13724

    oklch(48.7% 0.144 32.4)

  • #546900

    #546900

    oklch(48.6% 0.118 122.3)

  • #006C7C

    #006C7C

    oklch(48.8% 0.085 212.4)

  • #7046A2

    #7046A2

    oklch(48.6% 0.145 302.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A13724, closest first.

Similar named colors

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

Use #A13724 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.