#A3383E

Closest named color: Brown (#A52A2A). oklch(49.6% 0.141 20.7), rgb(163, 56, 62).

Aa

White text reads best on this color (6.57:1).

About this color

#A3383E is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.141 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.027 away. White text reads best on it, at 6.57:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.141)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text3.19:1
White text6.57:1

Values

HEX#A3383E
RGBrgb(163, 56, 62)
HSLhsl(357, 49%, 43%)
OKLCHoklch(49.6% 0.141 20.7)

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 #A3383E 6.57:1 AA Lc -86.8 Fine for body text
Black text on #A3383E 3.19:1 AA large text Lc 22.3 Dividers and decoration only
#A3383E text on white 6.57:1 AA Lc 81.7 Fine for body text
#A3383E text on black 3.19:1 AA large text Lc -20.2 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

    #F1D0CE

    oklch(88.5% 0.037 22)

  4. Step 300

    300

    #EAB0AE

    oklch(81% 0.068 20.9)

  5. Step 400

    400

    #DC8483

    oklch(70.6% 0.109 20.9)

  6. Step 500

    500

    #D06264

    oklch(63% 0.14 20.8)

  7. Step 600

    600

    #BC464C

    oklch(55.7% 0.152 20.6)

  8. Step 700

    700 (this color)

    #A3383E

    oklch(49.6% 0.141 20.7)

  9. Step 800

    800

    #832E32

    oklch(42.7% 0.117 20.8)

  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

#A3383E 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)#534F3D0.154
Deuteranopia (no green cones)#6F653B0.140
Tritanopia (no blue cones)#B3213B0.040
Achromatopsia (no color)#5D5D5D0.142

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3383E

    #A3383E

    oklch(49.6% 0.141 20.7)

  • #007075

    #007075

    oklch(49.6% 0.084 200.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3383E

    #A3383E

    oklch(49.6% 0.141 20.7)

  • #9A396C

    #9A396C

    oklch(49.6% 0.141 350.8)

  • #9A4700

    #9A4700

    oklch(49.6% 0.13 50.6)

Open the analogous palette in the generator

Split complementary

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

  • #A3383E

    #A3383E

    oklch(49.6% 0.141 20.7)

  • #00735A

    #00735A

    oklch(49.4% 0.097 170.8)

  • #006B90

    #006B90

    oklch(49.5% 0.1 231.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3383E

    #A3383E

    oklch(49.6% 0.141 20.7)

  • #2B741D

    #2B741D

    oklch(49.5% 0.141 140.7)

  • #2F5FB1

    #2F5FB1

    oklch(49.7% 0.141 260.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3383E

    #A3383E

    oklch(49.6% 0.141 20.7)

  • #666700

    #666700

    oklch(49.6% 0.109 110.4)

  • #007075

    #007075

    oklch(49.6% 0.084 200.2)

  • #644FAB

    #644FAB

    oklch(49.5% 0.142 290.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3383E, closest first.

Similar named colors

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

Use #A3383E 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.