#7A1F05

Closest named color: Chestnut (#742802). oklch(38.6% 0.13 35.2), rgb(122, 31, 5).

Aa

White text reads best on this color (10.36:1).

About this color

#7A1F05 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.130 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.020 away. White text reads best on it, at 10.36:1.

Hue familyReds
Lightnessdark (39%)
Chromamoderately saturated (0.130)
Temperaturewarm
Nearest nameChestnut (#742802)
Black text2.02:1
White text10.36:1

Values

HEX#7A1F05
RGBrgb(122, 31, 5)
HSLhsl(13, 92%, 25%)
OKLCHoklch(38.6% 0.13 35.2)

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 #7A1F05 10.36:1 AAA Lc -97.0 Preferred for body text
Black text on #7A1F05 2.02:1 Fails Lc 11.0 Not readable
#7A1F05 text on white 10.36:1 AAA Lc 92.9 Preferred for body text
#7A1F05 text on black 2.02:1 Fails Lc -9.6 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

    #FEF3F0

    oklch(97.2% 0.013 35.7)

  2. Step 100

    100

    #FCE4DD

    oklch(93.6% 0.028 36.9)

  3. Step 200

    200

    #FACDC1

    oklch(88.4% 0.054 35.4)

  4. Step 300

    300

    #F8AA96

    oklch(80.8% 0.097 35)

  5. Step 400

    400

    #F1785A

    oklch(70.7% 0.156 35.1)

  6. Step 500

    500

    #E84D23

    oklch(63.1% 0.198 35.3)

  7. Step 600

    600

    #CB3400

    oklch(55.5% 0.194 35.2)

  8. Step 700

    700

    #AC2B00

    oklch(49.1% 0.171 35.3)

  9. Step 800

    800

    #8E2200

    oklch(42.7% 0.148 35.4)

  10. Step 900

    900 (this color)

    #7A1F05

    oklch(38.6% 0.13 35.2)

  11. Step 950

    950

    #461306

    oklch(27% 0.081 35.5)

Export this scale for Tailwind in the Tailwind colors tool

#7A1F05 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)#3B33010.135
Deuteranopia (no green cones)#5147000.121
Tritanopia (no blue cones)#87001B0.045
Achromatopsia (no color)#4040400.130

Harmonies

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

Complementary

The opposite hue (180°).

  • #7A1F05

    #7A1F05

    oklch(38.6% 0.13 35.2)

  • #004D5B

    #004D5B

    oklch(38.7% 0.068 215.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #7A1F05

    #7A1F05

    oklch(38.6% 0.13 35.2)

  • #781A3A

    #781A3A

    oklch(38.6% 0.13 5.5)

  • #633900

    #633900

    oklch(38.7% 0.087 65.6)

Open the analogous palette in the generator

Split complementary

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

  • #7A1F05

    #7A1F05

    oklch(38.6% 0.13 35.2)

  • #004F49

    #004F49

    oklch(38.5% 0.067 186.1)

  • #004774

    #004774

    oklch(38.5% 0.098 245.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #7A1F05

    #7A1F05

    oklch(38.6% 0.13 35.2)

  • #00522D

    #00522D

    oklch(38.5% 0.094 155.6)

  • #333987

    #333987

    oklch(38.6% 0.129 275.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #7A1F05

    #7A1F05

    oklch(38.6% 0.13 35.2)

  • #384C00

    #384C00

    oklch(38.5% 0.097 125)

  • #004D5B

    #004D5B

    oklch(38.7% 0.068 215.2)

  • #552C7A

    #552C7A

    oklch(38.7% 0.13 305.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7A1F05, closest first.

Similar named colors

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

Use #7A1F05 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.