#A00E01

Closest named color: Deep Red (#9A0200). oklch(44.8% 0.177 30.3), rgb(160, 14, 1).

Aa

White text reads best on this color (8.20:1).

About this color

#A00E01 is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.177 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Red (#9A0200), ΔE 0.017 away. White text reads best on it, at 8.20:1.

Hue familyReds
Lightnessdark (45%)
Chromavivid (0.177)
Temperaturewarm
Nearest nameDeep Red (#9A0200)
Black text2.55:1
White text8.20:1

Values

HEX#A00E01
RGBrgb(160, 14, 1)
HSLhsl(5, 99%, 32%)
OKLCHoklch(44.8% 0.177 30.3)

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 #A00E01 8.20:1 AAA Lc -91.0 Preferred for body text
Black text on #A00E01 2.55:1 Fails Lc 17.8 Dividers and decoration only
#A00E01 text on white 8.20:1 AAA Lc 86.2 Fine for body text
#A00E01 text on black 2.55:1 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FDE3DE

    oklch(93.6% 0.03 30.6)

  3. Step 200

    200

    #FDCCC3

    oklch(88.5% 0.057 30.3)

  4. Step 300

    300

    #FCA798

    oklch(80.8% 0.104 30.5)

  5. Step 400

    400

    #F6735F

    oklch(70.7% 0.165 30.5)

  6. Step 500

    500

    #EE422E

    oklch(63.1% 0.212 30.4)

  7. Step 600

    600

    #D61500

    oklch(55.6% 0.221 30.4)

  8. Step 700

    700

    #B51000

    oklch(49% 0.195 30.4)

  9. Step 800

    800 (this color)

    #A00E01

    oklch(44.8% 0.177 30.3)

  10. Step 900

    900

    #7A1409

    oklch(37.6% 0.138 30.4)

  11. Step 950

    950

    #480F09

    oklch(26.9% 0.087 29.9)

Export this scale for Tailwind in the Tailwind colors tool

#A00E01 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)#443B000.192
Deuteranopia (no green cones)#665A000.171
Tritanopia (no blue cones)#B1000F0.036
Achromatopsia (no color)#4F4F4F0.178

Harmonies

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

Complementary

The opposite hue (180°).

  • #A00E01

    #A00E01

    oklch(44.8% 0.177 30.3)

  • #00606D

    #00606D

    oklch(44.8% 0.078 210.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A00E01

    #A00E01

    oklch(44.8% 0.177 30.3)

  • #9A0850

    #9A0850

    oklch(44.7% 0.177 0.3)

  • #7E4400

    #7E4400

    oklch(44.9% 0.105 60)

Open the analogous palette in the generator

Split complementary

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

  • #A00E01

    #A00E01

    oklch(44.8% 0.177 30.3)

  • #006357

    #006357

    oklch(44.8% 0.081 180.8)

  • #005B88

    #005B88

    oklch(44.9% 0.103 240.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A00E01

    #A00E01

    oklch(44.8% 0.177 30.3)

  • #00672D

    #00672D

    oklch(44.9% 0.123 150.2)

  • #3345B5

    #3345B5

    oklch(44.9% 0.177 270.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A00E01

    #A00E01

    oklch(44.8% 0.177 30.3)

  • #4D5D00

    #4D5D00

    oklch(44.9% 0.107 120.6)

  • #00606D

    #00606D

    oklch(44.8% 0.078 210.7)

  • #6731A5

    #6731A5

    oklch(44.8% 0.177 300.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A00E01, closest first.

No curated palette has a color within ΔE 0.04 of #A00E01.

Similar named colors

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

Use #A00E01 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.