#7A1B00

Closest named color: Chestnut (#742802). oklch(38.2% 0.134 35.1), rgb(122, 27, 0).

Aa

White text reads best on this color (10.58:1).

About this color

#7A1B00 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.134 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.023 away. White text reads best on it, at 10.58:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.134)
Temperaturewarm
Nearest nameChestnut (#742802)
Black text1.98:1
White text10.58:1

Values

HEX#7A1B00
RGBrgb(122, 27, 0)
HSLhsl(13, 100%, 24%)
OKLCHoklch(38.2% 0.134 35.1)

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 #7A1B00 10.58:1 AAA Lc -97.3 Preferred for body text
Black text on #7A1B00 1.98:1 Fails Lc 10.7 Not readable
#7A1B00 text on white 10.58:1 AAA Lc 93.2 Preferred for body text
#7A1B00 text on black 1.98:1 Fails Lc -9.3 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

    #FEF3EF

    oklch(97.2% 0.013 41.2)

  2. Step 100

    100

    #FDE4DD

    oklch(93.7% 0.029 36.2)

  3. Step 200

    200

    #FBCDC1

    oklch(88.5% 0.055 35)

  4. Step 300

    300

    #FAA995

    oklch(80.9% 0.1 34.5)

  5. Step 400

    400

    #F37657

    oklch(70.6% 0.161 35.1)

  6. Step 500

    500

    #EB491D

    oklch(63.1% 0.205 35.1)

  7. Step 600

    600

    #CC3400

    oklch(55.7% 0.195 35.1)

  8. Step 700

    700

    #AC2A00

    oklch(49% 0.172 35)

  9. Step 800

    800

    #8F2100

    oklch(42.8% 0.15 35)

  10. Step 900

    900 (this color)

    #7A1B00

    oklch(38.2% 0.134 35.1)

  11. Step 950

    950

    #471205

    oklch(27.1% 0.084 35.3)

Export this scale for Tailwind in the Tailwind colors tool

#7A1B00 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)#3931000.139
Deuteranopia (no green cones)#5046000.124
Tritanopia (no blue cones)#8700170.041
Achromatopsia (no color)#3F3F3F0.134

Harmonies

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

Complementary

The opposite hue (180°).

  • #7A1B00

    #7A1B00

    oklch(38.2% 0.134 35.1)

  • #004B59

    #004B59

    oklch(38% 0.067 215.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #7A1B00

    #7A1B00

    oklch(38.2% 0.134 35.1)

  • #781639

    #781639

    oklch(38.2% 0.133 5.3)

  • #613700

    #613700

    oklch(38% 0.086 64.7)

Open the analogous palette in the generator

Split complementary

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

  • #7A1B00

    #7A1B00

    oklch(38.2% 0.134 35.1)

  • #004E47

    #004E47

    oklch(38.1% 0.067 184.6)

  • #004672

    #004672

    oklch(38.1% 0.096 245.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #7A1B00

    #7A1B00

    oklch(38.2% 0.134 35.1)

  • #00512B

    #00512B

    oklch(38.2% 0.095 154.8)

  • #313788

    #313788

    oklch(38.2% 0.133 274.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #7A1B00

    #7A1B00

    oklch(38.2% 0.134 35.1)

  • #374B00

    #374B00

    oklch(38.2% 0.096 125.1)

  • #004B59

    #004B59

    oklch(38% 0.067 215.6)

  • #54297A

    #54297A

    oklch(38.1% 0.134 305.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7A1B00, closest first.

Similar named colors

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

Use #7A1B00 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.