#A4383F

Closest named color: Brown (#A52A2A). oklch(49.8% 0.142 20.3), rgb(164, 56, 63).

Aa

White text reads best on this color (6.52:1).

About this color

#A4383F is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.142 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.028 away. White text reads best on it, at 6.52:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.142)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text3.21:1
White text6.52:1

Values

HEX#A4383F
RGBrgb(164, 56, 63)
HSLhsl(356, 49%, 43%)
OKLCHoklch(49.8% 0.142 20.3)

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 #A4383F 6.52:1 AA Lc -86.6 Fine for body text
Black text on #A4383F 3.21:1 AA large text Lc 22.6 Dividers and decoration only
#A4383F text on white 6.52:1 AA Lc 81.5 Fine for body text
#A4383F text on black 3.21:1 AA large text Lc -20.4 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F7E5E4

    oklch(93.6% 0.02 21.4)

  3. Step 200

    200

    #F2D0CF

    oklch(88.6% 0.038 19.9)

  4. Step 300

    300

    #EAAFAE

    oklch(80.8% 0.069 19.8)

  5. Step 400

    400

    #DD8484

    oklch(70.8% 0.11 20.2)

  6. Step 500

    500

    #D16265

    oklch(63.2% 0.141 20.3)

  7. Step 600

    600

    #BC454C

    oklch(55.6% 0.153 20.2)

  8. Step 700

    700 (this color)

    #A4383F

    oklch(49.8% 0.142 20.3)

  9. Step 800

    800

    #832E33

    oklch(42.7% 0.117 20.1)

  10. Step 900

    900

    #6A2A2C

    oklch(37.7% 0.092 20.7)

  11. Step 950

    950

    #3E191A

    oklch(26.9% 0.058 20.1)

Export this scale for Tailwind in the Tailwind colors tool

#A4383F 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)#544F3F0.154
Deuteranopia (no green cones)#6F663C0.142
Tritanopia (no blue cones)#B4213B0.039
Achromatopsia (no color)#5E5E5E0.143

Harmonies

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

Complementary

The opposite hue (180°).

  • #A4383F

    #A4383F

    oklch(49.8% 0.142 20.3)

  • #007176

    #007176

    oklch(49.9% 0.085 200.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A4383F

    #A4383F

    oklch(49.8% 0.142 20.3)

  • #9B396D

    #9B396D

    oklch(49.8% 0.142 350.6)

  • #9B4700

    #9B4700

    oklch(49.8% 0.131 50.3)

Open the analogous palette in the generator

Split complementary

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

  • #A4383F

    #A4383F

    oklch(49.8% 0.142 20.3)

  • #00745A

    #00745A

    oklch(49.7% 0.098 170.2)

  • #006C90

    #006C90

    oklch(49.8% 0.099 230.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A4383F

    #A4383F

    oklch(49.8% 0.142 20.3)

  • #2D751B

    #2D751B

    oklch(49.8% 0.142 140.1)

  • #2E5FB2

    #2E5FB2

    oklch(49.7% 0.142 260.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A4383F

    #A4383F

    oklch(49.8% 0.142 20.3)

  • #676700

    #676700

    oklch(49.7% 0.108 109.8)

  • #007176

    #007176

    oklch(49.9% 0.085 200.2)

  • #6450AC

    #6450AC

    oklch(49.8% 0.141 290.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A4383F, closest first.

Similar named colors

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

Use #A4383F 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.