#75171A

Closest named color: Blood (#770001). oklch(37% 0.128 24.7), rgb(117, 23, 26).

Aa

White text reads best on this color (11.08:1).

About this color

#75171A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.128 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.025 away. White text reads best on it, at 11.08:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.128)
Temperaturewarm
Nearest nameBlood (#770001)
Black text1.89:1
White text11.08:1

Values

HEX#75171A
RGBrgb(117, 23, 26)
HSLhsl(358, 67%, 27%)
OKLCHoklch(37% 0.128 24.7)

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 #75171A 11.08:1 AAA Lc -98.3 Preferred for body text
Black text on #75171A 1.89:1 Fails Lc 9.6 Not readable
#75171A text on white 11.08:1 AAA Lc 94.3 Preferred for body text
#75171A text on black 1.89:1 Fails Lc -8.2 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FBCCC8

    oklch(88.5% 0.054 23.9)

  4. Step 300

    300

    #F9A8A2

    oklch(80.9% 0.097 24.1)

  5. Step 400

    400

    #F1756F

    oklch(70.6% 0.154 24.6)

  6. Step 500

    500

    #E84949

    oklch(63.1% 0.196 24.7)

  7. Step 600

    600

    #D41A2B

    oklch(55.7% 0.214 24.6)

  8. Step 700

    700

    #B7011E

    oklch(49.1% 0.199 24.6)

  9. Step 800

    800

    #940E1B

    oklch(42.6% 0.164 24.5)

  10. Step 900

    900 (this color)

    #75171A

    oklch(37% 0.128 24.7)

  11. Step 950

    950

    #461111

    oklch(26.9% 0.081 24.4)

Export this scale for Tailwind in the Tailwind colors tool

#75171A 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)#342F190.139
Deuteranopia (no green cones)#4B43160.127
Tritanopia (no blue cones)#8100190.028
Achromatopsia (no color)#3C3C3C0.129

Harmonies

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

Complementary

The opposite hue (180°).

  • #75171A

    #75171A

    oklch(37% 0.128 24.7)

  • #00494F

    #00494F

    oklch(37% 0.063 204.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #75171A

    #75171A

    oklch(37% 0.128 24.7)

  • #6F1744

    #6F1744

    oklch(37% 0.128 354.3)

  • #643000

    #643000

    oklch(37.2% 0.092 54.8)

Open the analogous palette in the generator

Split complementary

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

  • #75171A

    #75171A

    oklch(37% 0.128 24.7)

  • #004C3D

    #004C3D

    oklch(37.2% 0.071 173.7)

  • #004663

    #004663

    oklch(37.2% 0.078 234.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #75171A

    #75171A

    oklch(37% 0.128 24.7)

  • #004F0E

    #004F0E

    oklch(37.1% 0.118 144.6)

  • #1D3982

    #1D3982

    oklch(37% 0.128 264.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #75171A

    #75171A

    oklch(37% 0.128 24.7)

  • #3F4400

    #3F4400

    oklch(36.9% 0.083 114.4)

  • #00494F

    #00494F

    oklch(37% 0.063 204.2)

  • #462C7B

    #462C7B

    oklch(37% 0.128 294.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #75171A, closest first.

Similar named colors

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

Use #75171A 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.