#78001B

Closest named color: Wine Red (#7B0323). oklch(36.2% 0.145 19.8), rgb(120, 0, 27).

Aa

White text reads best on this color (11.57:1).

About this color

#78001B is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.145 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.012 away. White text reads best on it, at 11.57:1.

Hue familyReds
Lightnessdark (36%)
Chromavivid (0.145)
Temperaturewarm
Nearest nameWine Red (#7B0323)
Black text1.81:1
White text11.57:1

Values

HEX#78001B
RGBrgb(120, 0, 27)
HSLhsl(347, 100%, 24%)
OKLCHoklch(36.2% 0.145 19.8)

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 #78001B 11.57:1 AAA Lc -98.4 Preferred for body text
Black text on #78001B 1.81:1 Fails Lc 9.5 Not readable
#78001B text on white 11.57:1 AAA Lc 94.4 Preferred for body text
#78001B text on black 1.81:1 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2E1

    oklch(93.6% 0.032 20.1)

  3. Step 200

    200

    #FFCAC9

    oklch(88.5% 0.06 19.6)

  4. Step 300

    300

    #FFA4A4

    oklch(80.9% 0.108 19.7)

  5. Step 400

    400

    #FA6C72

    oklch(70.7% 0.174 20.1)

  6. Step 500

    500

    #F2344E

    oklch(63% 0.223 19.8)

  7. Step 600

    600

    #D70038

    oklch(55.6% 0.223 19.8)

  8. Step 700

    700

    #B6002E

    oklch(49.1% 0.197 19.8)

  9. Step 800

    800

    #970024

    oklch(42.8% 0.172 20)

  10. Step 900

    900 (this color)

    #78001B

    oklch(36.2% 0.145 19.8)

  11. Step 950

    950

    #4A0B13

    oklch(27.1% 0.092 19.5)

Export this scale for Tailwind in the Tailwind colors tool

#78001B 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)#2D291B0.163
Deuteranopia (no green cones)#4941170.147
Tritanopia (no blue cones)#85000E0.033
Achromatopsia (no color)#3939390.147

Harmonies

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

Complementary

The opposite hue (180°).

  • #78001B

    #78001B

    oklch(36.2% 0.145 19.8)

  • #00474A

    #00474A

    oklch(36.2% 0.061 199.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #78001B

    #78001B

    oklch(36.2% 0.145 19.8)

  • #700648

    #700648

    oklch(36.3% 0.146 350.2)

  • #642B00

    #642B00

    oklch(36.3% 0.096 50)

Open the analogous palette in the generator

Split complementary

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

  • #78001B

    #78001B

    oklch(36.2% 0.145 19.8)

  • #004A38

    #004A38

    oklch(36.4% 0.072 169.7)

  • #00445C

    #00445C

    oklch(36.2% 0.072 229.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #78001B

    #78001B

    oklch(36.2% 0.145 19.8)

  • #134B00

    #134B00

    oklch(36.2% 0.116 139.7)

  • #013788

    #013788

    oklch(36.3% 0.145 259.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #78001B

    #78001B

    oklch(36.2% 0.145 19.8)

  • #414100

    #414100

    oklch(36.3% 0.079 109.8)

  • #00474A

    #00474A

    oklch(36.2% 0.061 199.6)

  • #402783

    #402783

    oklch(36.2% 0.145 289.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #78001B, closest first.

Similar named colors

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

Use #78001B 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.