#A0103A

Closest named color: Cranberry (#9E003A). oklch(45.6% 0.173 13.2), rgb(160, 16, 58).

Aa

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

About this color

#A0103A is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.173 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Cranberry (#9E003A), ΔE 0.012 away. White text reads best on it, at 7.98:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.173)
Temperaturewarm
Nearest nameCranberry (#9E003A)
Black text2.62:1
White text7.98:1

Values

HEX#A0103A
RGBrgb(160, 16, 58)
HSLhsl(343, 82%, 35%)
OKLCHoklch(45.6% 0.173 13.2)

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 #A0103A 7.98:1 AAA Lc -90.6 Preferred for body text
Black text on #A0103A 2.62:1 Fails Lc 18.3 Dividers and decoration only
#A0103A text on white 7.98:1 AAA Lc 85.8 Fine for body text
#A0103A text on black 2.62:1 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

    #FEF2F3

    oklch(97.1% 0.013 11.5)

  2. Step 100

    100

    #FDE2E4

    oklch(93.5% 0.03 12.6)

  3. Step 200

    200

    #FCCBCE

    oklch(88.6% 0.056 14.1)

  4. Step 300

    300

    #FBA5AE

    oklch(80.9% 0.102 12.8)

  5. Step 400

    400

    #F47083

    oklch(70.8% 0.162 13.3)

  6. Step 500

    500

    #EB3F64

    oklch(63.1% 0.207 13.4)

  7. Step 600

    600

    #D5004C

    oklch(55.6% 0.222 13.3)

  8. Step 700

    700

    #B4003F

    oklch(49% 0.196 13.2)

  9. Step 800

    800 (this color)

    #A0103A

    oklch(45.6% 0.173 13.2)

  10. Step 900

    900

    #78122C

    oklch(37.6% 0.135 13.1)

  11. Step 950

    950

    #470E1A

    oklch(26.9% 0.086 13)

Export this scale for Tailwind in the Tailwind colors tool

#A0103A 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)#3F3E3A0.196
Deuteranopia (no green cones)#635B360.177
Tritanopia (no blue cones)#B000250.041
Achromatopsia (no color)#5151510.175

Harmonies

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

Complementary

The opposite hue (180°).

  • #A0103A

    #A0103A

    oklch(45.6% 0.173 13.2)

  • #006463

    #006463

    oklch(45.5% 0.078 193.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A0103A

    #A0103A

    oklch(45.6% 0.173 13.2)

  • #921C6F

    #921C6F

    oklch(45.5% 0.173 343.2)

  • #913600

    #913600

    oklch(45.6% 0.135 43.2)

Open the analogous palette in the generator

Split complementary

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

  • #A0103A

    #A0103A

    oklch(45.6% 0.173 13.2)

  • #006747

    #006747

    oklch(45.5% 0.098 163.4)

  • #006179

    #006179

    oklch(45.7% 0.085 222.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A0103A

    #A0103A

    oklch(45.6% 0.173 13.2)

  • #386500

    #386500

    oklch(45.6% 0.129 133.1)

  • #0056A2

    #0056A2

    oklch(45.5% 0.141 253.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A0103A

    #A0103A

    oklch(45.6% 0.173 13.2)

  • #615800

    #615800

    oklch(45.5% 0.095 102.6)

  • #006463

    #006463

    oklch(45.5% 0.078 193.6)

  • #4F40B2

    #4F40B2

    oklch(45.6% 0.173 283.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A0103A, closest first.

Similar named colors

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

Use #A0103A 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.