#A11301

Closest named color: Burnt Red (#9F2305). oklch(45.3% 0.176 30.9), rgb(161, 19, 1).

Aa

White text reads best on this color (8.04:1).

About this color

#A11301 is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.176 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Red (#9F2305), ΔE 0.016 away. White text reads best on it, at 8.04:1.

Hue familyReds
Lightnessmedium-dark (45%)
Chromavivid (0.176)
Temperaturewarm
Nearest nameBurnt Red (#9F2305)
Black text2.60:1
White text8.04:1

Values

HEX#A11301
RGBrgb(161, 19, 1)
HSLhsl(7, 99%, 32%)
OKLCHoklch(45.3% 0.176 30.9)

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 #A11301 8.04:1 AAA Lc -90.7 Preferred for body text
Black text on #A11301 2.60:1 Fails Lc 18.2 Dividers and decoration only
#A11301 text on white 8.04:1 AAA Lc 85.9 Fine for body text
#A11301 text on black 2.60:1 Fails Lc -16.2 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 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

    #FCA898

    oklch(81% 0.103 31.3)

  5. Step 400

    400

    #F6735E

    oklch(70.7% 0.165 30.9)

  6. Step 500

    500

    #ED432D

    oklch(63% 0.21 30.8)

  7. Step 600

    600

    #D51B00

    oklch(55.6% 0.217 30.9)

  8. Step 700

    700

    #B41500

    oklch(49.1% 0.192 30.9)

  9. Step 800

    800 (this color)

    #A11301

    oklch(45.3% 0.176 30.9)

  10. Step 900

    900

    #7A1508

    oklch(37.7% 0.137 31)

  11. Step 950

    950

    #481008

    oklch(27% 0.087 31.3)

Export this scale for Tailwind in the Tailwind colors tool

#A11301 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)#463D000.190
Deuteranopia (no green cones)#675B000.169
Tritanopia (no blue cones)#B200130.037
Achromatopsia (no color)#5050500.177

Harmonies

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

Complementary

The opposite hue (180°).

  • #A11301

    #A11301

    oklch(45.3% 0.176 30.9)

  • #00616F

    #00616F

    oklch(45.2% 0.079 211.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A11301

    #A11301

    oklch(45.3% 0.176 30.9)

  • #9C0D50

    #9C0D50

    oklch(45.3% 0.176 1.1)

  • #7F4600

    #7F4600

    oklch(45.4% 0.105 61.2)

Open the analogous palette in the generator

Split complementary

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

  • #A11301

    #A11301

    oklch(45.3% 0.176 30.9)

  • #006458

    #006458

    oklch(45.1% 0.081 180.9)

  • #005C8A

    #005C8A

    oklch(45.3% 0.105 240.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A11301

    #A11301

    oklch(45.3% 0.176 30.9)

  • #006830

    #006830

    oklch(45.3% 0.122 151.1)

  • #3546B6

    #3546B6

    oklch(45.2% 0.177 270.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A11301

    #A11301

    oklch(45.3% 0.176 30.9)

  • #4E5E00

    #4E5E00

    oklch(45.2% 0.108 120.5)

  • #00616F

    #00616F

    oklch(45.2% 0.079 211.8)

  • #6833A6

    #6833A6

    oklch(45.3% 0.176 300.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A11301, closest first.

No curated palette has a color within ΔE 0.04 of #A11301.

Similar named colors

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

Use #A11301 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.