#75103A

Closest named color: Merlot (#730039). oklch(37.2% 0.136 2.5), rgb(117, 16, 58).

Aa

White text reads best on this color (11.10:1).

About this color

#75103A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.136 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.017 away. White text reads best on it, at 11.10:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.136)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.89:1
White text11.10:1

Values

HEX#75103A
RGBrgb(117, 16, 58)
HSLhsl(335, 76%, 26%)
OKLCHoklch(37.2% 0.136 2.5)

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 #75103A 11.10:1 AAA Lc -98.2 Preferred for body text
Black text on #75103A 1.89:1 Fails Lc 9.7 Not readable
#75103A text on white 11.10:1 AAA Lc 94.2 Preferred for body text
#75103A text on black 1.89:1 Fails Lc -8.3 Not readable

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 900.

  1. Step 50

    50

    #FEF2F4

    oklch(97.1% 0.013 5.8)

  2. Step 100

    100

    #FCE2E8

    oklch(93.6% 0.03 2)

  3. Step 200

    200

    #FBCAD6

    oklch(88.5% 0.057 2)

  4. Step 300

    300

    #F9A5BB

    oklch(81% 0.102 2.5)

  5. Step 400

    400

    #F16F98

    oklch(70.8% 0.164 2.4)

  6. Step 500

    500

    #E73E7E

    oklch(63% 0.209 2.6)

  7. Step 600

    600

    #D10068

    oklch(55.6% 0.224 2.4)

  8. Step 700

    700

    #B10057

    oklch(49.1% 0.198 2.4)

  9. Step 800

    800

    #930047

    oklch(42.8% 0.173 2.5)

  10. Step 900

    900 (this color)

    #75103A

    oklch(37.2% 0.136 2.5)

  11. Step 950

    950

    #460E23

    oklch(27% 0.087 2.2)

Export this scale for Tailwind in the Tailwind colors tool

#75103A 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)#2B2F3B0.154
Deuteranopia (no green cones)#4543380.140
Tritanopia (no blue cones)#8000240.040
Achromatopsia (no color)#3C3C3C0.137

Harmonies

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

Complementary

The opposite hue (180°).

  • #75103A

    #75103A

    oklch(37.2% 0.136 2.5)

  • #004C43

    #004C43

    oklch(37.4% 0.067 181.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #75103A

    #75103A

    oklch(37.2% 0.136 2.5)

  • #671A5F

    #671A5F

    oklch(37.2% 0.137 332.5)

  • #781402

    #781402

    oklch(37.2% 0.137 32.5)

Open the analogous palette in the generator

Split complementary

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

  • #75103A

    #75103A

    oklch(37.2% 0.136 2.5)

  • #004E25

    #004E25

    oklch(37.1% 0.097 152.4)

  • #004955

    #004955

    oklch(37.3% 0.065 213.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #75103A

    #75103A

    oklch(37.2% 0.136 2.5)

  • #384700

    #384700

    oklch(37.1% 0.09 122.3)

  • #00446B

    #00446B

    oklch(37.1% 0.089 242.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #75103A

    #75103A

    oklch(37.2% 0.136 2.5)

  • #4F3F00

    #4F3F00

    oklch(37.4% 0.077 92.6)

  • #004C43

    #004C43

    oklch(37.4% 0.067 181.5)

  • #2B3587

    #2B3587

    oklch(37.3% 0.136 272.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #75103A, closest first.

Similar named colors

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

Use #75103A 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.