#A1102F

Closest named color: Cranberry (#9E003A). oklch(45.6% 0.174 18.3), rgb(161, 16, 47).

Aa

White text reads best on this color (7.98:1).

About this color

#A1102F is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.174 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Cranberry (#9E003A), ΔE 0.023 away. White text reads best on it, at 7.98:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.174)
Temperaturewarm
Nearest nameCranberry (#9E003A)
Black text2.63:1
White text7.98:1

Values

HEX#A1102F
RGBrgb(161, 16, 47)
HSLhsl(347, 82%, 35%)
OKLCHoklch(45.6% 0.174 18.3)

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 #A1102F 7.98:1 AAA Lc -90.6 Preferred for body text
Black text on #A1102F 2.63:1 Fails Lc 18.3 Dividers and decoration only
#A1102F text on white 7.98:1 AAA Lc 85.7 Fine for body text
#A1102F text on black 2.63:1 Fails Lc -16.3 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

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FDE3E2

    oklch(93.7% 0.029 20.3)

  3. Step 200

    200

    #FCCBCB

    oklch(88.5% 0.056 18.3)

  4. Step 300

    300

    #FBA6A8

    oklch(80.9% 0.101 18)

  5. Step 400

    400

    #F57179

    oklch(70.8% 0.162 18.5)

  6. Step 500

    500

    #EC3F57

    oklch(63% 0.208 18.1)

  7. Step 600

    600

    #D6003D

    oklch(55.5% 0.222 18.3)

  8. Step 700

    700

    #B60032

    oklch(49.2% 0.197 18.4)

  9. Step 800

    800 (this color)

    #A1102F

    oklch(45.6% 0.174 18.3)

  10. Step 900

    900

    #791324

    oklch(37.7% 0.135 18.5)

  11. Step 950

    950

    #480E16

    oklch(27% 0.087 17.7)

Export this scale for Tailwind in the Tailwind colors tool

#A1102F 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)#423E2F0.193
Deuteranopia (no green cones)#655B2A0.176
Tritanopia (no blue cones)#B1001F0.036
Achromatopsia (no color)#5151510.175

Harmonies

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

Complementary

The opposite hue (180°).

  • #A1102F

    #A1102F

    oklch(45.6% 0.174 18.3)

  • #006466

    #006466

    oklch(45.6% 0.078 197.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A1102F

    #A1102F

    oklch(45.6% 0.174 18.3)

  • #961867

    #961867

    oklch(45.6% 0.174 348.4)

  • #8B3C00

    #8B3C00

    oklch(45.5% 0.123 48.3)

Open the analogous palette in the generator

Split complementary

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

  • #A1102F

    #A1102F

    oklch(45.6% 0.174 18.3)

  • #00674D

    #00674D

    oklch(45.6% 0.092 168)

  • #00607E

    #00607E

    oklch(45.7% 0.089 228.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A1102F

    #A1102F

    oklch(45.6% 0.174 18.3)

  • #266800

    #266800

    oklch(45.6% 0.142 138.3)

  • #0051B3

    #0051B3

    oklch(45.7% 0.17 258.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A1102F

    #A1102F

    oklch(45.6% 0.174 18.3)

  • #5C5A00

    #5C5A00

    oklch(45.5% 0.098 108.2)

  • #006466

    #006466

    oklch(45.6% 0.078 197.2)

  • #573CAF

    #573CAF

    oklch(45.5% 0.174 288.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A1102F, closest first.

No curated palette has a color within ΔE 0.04 of #A1102F.

Similar named colors

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

Use #A1102F 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.