#A0051F

Closest named color: Carmine (#9D0216). oklch(44.7% 0.178 23.1), rgb(160, 5, 31).

Aa

White text reads best on this color (8.28:1).

About this color

#A0051F is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.178 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.010 away. White text reads best on it, at 8.28:1.

Hue familyReds
Lightnessdark (45%)
Chromavivid (0.178)
Temperaturewarm
Nearest nameCarmine (#9D0216)
Black text2.53:1
White text8.28:1

Values

HEX#A0051F
RGBrgb(160, 5, 31)
HSLhsl(350, 94%, 32%)
OKLCHoklch(44.7% 0.178 23.1)

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 #A0051F 8.28:1 AAA Lc -91.1 Preferred for body text
Black text on #A0051F 2.53:1 Fails Lc 17.8 Dividers and decoration only
#A0051F text on white 8.28:1 AAA Lc 86.3 Fine for body text
#A0051F text on black 2.53:1 Fails Lc -15.8 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 800.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE3E0

    oklch(93.7% 0.03 25.3)

  3. Step 200

    200

    #FDCBC7

    oklch(88.5% 0.057 23.6)

  4. Step 300

    300

    #FDA6A1

    oklch(81% 0.104 23.2)

  5. Step 400

    400

    #F7706E

    oklch(70.7% 0.167 23.1)

  6. Step 500

    500

    #EF3E47

    oklch(63.2% 0.213 23.3)

  7. Step 600

    600

    #D8002C

    oklch(55.7% 0.225 23.1)

  8. Step 700

    700

    #B70023

    oklch(49.2% 0.199 23.2)

  9. Step 800

    800 (this color)

    #A0051F

    oklch(44.7% 0.178 23.1)

  10. Step 900

    900

    #7B111B

    oklch(37.8% 0.139 23.1)

  11. Step 950

    950

    #480E10

    oklch(26.9% 0.087 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#A0051F 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)#413A1E0.197
Deuteranopia (no green cones)#6459180.178
Tritanopia (no blue cones)#B100140.037
Achromatopsia (no color)#4E4E4E0.179

Harmonies

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

Complementary

The opposite hue (180°).

  • #A0051F

    #A0051F

    oklch(44.7% 0.178 23.1)

  • #006067

    #006067

    oklch(44.6% 0.076 203.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A0051F

    #A0051F

    oklch(44.7% 0.178 23.1)

  • #970C5D

    #970C5D

    oklch(44.8% 0.178 353)

  • #833F00

    #833F00

    oklch(44.7% 0.113 53.3)

Open the analogous palette in the generator

Split complementary

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

  • #A0051F

    #A0051F

    oklch(44.7% 0.178 23.1)

  • #006450

    #006450

    oklch(44.9% 0.086 172.8)

  • #005C7F

    #005C7F

    oklch(44.7% 0.092 233.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A0051F

    #A0051F

    oklch(44.7% 0.178 23.1)

  • #006808

    #006808

    oklch(44.9% 0.149 143.1)

  • #1A4AB5

    #1A4AB5

    oklch(44.8% 0.178 263)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A0051F

    #A0051F

    oklch(44.7% 0.178 23.1)

  • #555A00

    #555A00

    oklch(44.8% 0.1 113.5)

  • #006067

    #006067

    oklch(44.6% 0.076 203.5)

  • #5D35AB

    #5D35AB

    oklch(44.7% 0.178 293.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A0051F, closest first.

Similar named colors

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

Use #A0051F 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.