#A0283F

Closest named color: Rouge (#AB1239). oklch(47.4% 0.155 14.8), rgb(160, 40, 63).

Aa

White text reads best on this color (7.31:1).

About this color

#A0283F is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.155 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.027 away. White text reads best on it, at 7.31:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.155)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.87:1
White text7.31:1

Values

HEX#A0283F
RGBrgb(160, 40, 63)
HSLhsl(349, 60%, 39%)
OKLCHoklch(47.4% 0.155 14.8)

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 #A0283F 7.31:1 AAA Lc -89.2 Fine for body text
Black text on #A0283F 2.87:1 Fails Lc 19.8 Dividers and decoration only
#A0283F text on white 7.31:1 AAA Lc 84.2 Fine for body text
#A0283F text on black 2.87:1 Fails Lc -17.8 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

    #F8E4E5

    oklch(93.5% 0.022 14.1)

  3. Step 200

    200

    #F4CFD0

    oklch(88.6% 0.042 16.1)

  4. Step 300

    300

    #EDADB1

    oklch(80.8% 0.075 14.7)

  5. Step 400

    400

    #E18089

    oklch(70.8% 0.12 14.7)

  6. Step 500

    500

    #D65C6B

    oklch(63.2% 0.154 15.1)

  7. Step 600

    600

    #C13D53

    oklch(55.6% 0.168 14.9)

  8. Step 700

    700 (this color)

    #A0283F

    oklch(47.4% 0.155 14.8)

  9. Step 800

    800

    #872838

    oklch(42.7% 0.129 14.8)

  10. Step 900

    900

    #6D2630

    oklch(37.7% 0.101 14.9)

  11. Step 950

    950

    #40171C

    oklch(26.9% 0.064 15)

Export this scale for Tailwind in the Tailwind colors tool

#A0283F 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)#48463F0.173
Deuteranopia (no green cones)#675F3C0.157
Tritanopia (no blue cones)#AF00320.037
Achromatopsia (no color)#5656560.157

Harmonies

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

Complementary

The opposite hue (180°).

  • #A0283F

    #A0283F

    oklch(47.4% 0.155 14.8)

  • #006A6A

    #006A6A

    oklch(47.5% 0.081 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A0283F

    #A0283F

    oklch(47.4% 0.155 14.8)

  • #942D70

    #942D70

    oklch(47.4% 0.155 344.7)

  • #973C00

    #973C00

    oklch(47.5% 0.136 45)

Open the analogous palette in the generator

Split complementary

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

  • #A0283F

    #A0283F

    oklch(47.4% 0.155 14.8)

  • #006D4D

    #006D4D

    oklch(47.4% 0.1 164.6)

  • #006681

    #006681

    oklch(47.4% 0.089 224.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A0283F

    #A0283F

    oklch(47.4% 0.155 14.8)

  • #366B00

    #366B00

    oklch(47.2% 0.137 134.8)

  • #005AB0

    #005AB0

    oklch(47.4% 0.155 254.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A0283F

    #A0283F

    oklch(47.4% 0.155 14.8)

  • #655E00

    #655E00

    oklch(47.3% 0.1 104.5)

  • #006A6A

    #006A6A

    oklch(47.5% 0.081 194.8)

  • #5649AE

    #5649AE

    oklch(47.4% 0.155 284.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A0283F, closest first.

Similar named colors

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

Use #A0283F 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.