#73001F

Closest named color: Wine Red (#7B0323). oklch(35.2% 0.141 16.9), rgb(115, 0, 31).

Aa

White text reads best on this color (12.00:1).

About this color

#73001F is a dark, vivid red. In OKLCH its lightness is 35%, its chroma 0.141 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.020 away. White text reads best on it, at 12.00:1.

Hue familyReds
Lightnessdark (35%)
Chromavivid (0.141)
Temperaturewarm
Nearest nameWine Red (#7B0323)
Black text1.74:1
White text12.00:1

Values

HEX#73001F
RGBrgb(115, 0, 31)
HSLhsl(344, 100%, 23%)
OKLCHoklch(35.2% 0.141 16.9)

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 #73001F 12.00:1 AAA Lc -99.2 Preferred for body text
Black text on #73001F 1.74:1 Fails Lc 8.6 Not readable
#73001F text on white 12.00:1 AAA Lc 95.3 Preferred for body text
#73001F text on black 1.74:1 Fails Lc -7.4 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

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FEE2E3

    oklch(93.6% 0.031 15.3)

  3. Step 200

    200

    #FECACB

    oklch(88.5% 0.059 17)

  4. Step 300

    300

    #FDA4A8

    oklch(80.8% 0.106 16.7)

  5. Step 400

    400

    #F76D7A

    oklch(70.6% 0.169 16.8)

  6. Step 500

    500

    #EF3959

    oklch(63.1% 0.216 16.7)

  7. Step 600

    600

    #D60042

    oklch(55.6% 0.222 16.7)

  8. Step 700

    700

    #B50036

    oklch(49.1% 0.196 16.9)

  9. Step 800

    800

    #96002B

    oklch(42.7% 0.171 17)

  10. Step 900

    900 (this color)

    #73001F

    oklch(35.2% 0.141 16.9)

  11. Step 950

    950

    #490C16

    oklch(27% 0.09 16.9)

Export this scale for Tailwind in the Tailwind colors tool

#73001F 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)#2A281F0.159
Deuteranopia (no green cones)#453E1B0.143
Tritanopia (no blue cones)#7F000F0.034
Achromatopsia (no color)#3636360.142

Harmonies

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

Complementary

The opposite hue (180°).

  • #73001F

    #73001F

    oklch(35.2% 0.141 16.9)

  • #004546

    #004546

    oklch(35.4% 0.06 196.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #73001F

    #73001F

    oklch(35.2% 0.141 16.9)

  • #6A0849

    #6A0849

    oklch(35.3% 0.141 347)

  • #622700

    #622700

    oklch(35.3% 0.097 47.3)

Open the analogous palette in the generator

Split complementary

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

  • #73001F

    #73001F

    oklch(35.2% 0.141 16.9)

  • #004733

    #004733

    oklch(35.3% 0.073 166.8)

  • #004256

    #004256

    oklch(35.3% 0.067 225.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #73001F

    #73001F

    oklch(35.2% 0.141 16.9)

  • #1C4700

    #1C4700

    oklch(35.3% 0.107 136.9)

  • #00387A

    #00387A

    oklch(35.2% 0.125 256.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #73001F

    #73001F

    oklch(35.2% 0.141 16.9)

  • #403D00

    #403D00

    oklch(35.2% 0.075 106.6)

  • #004546

    #004546

    oklch(35.4% 0.06 196.4)

  • #3A277F

    #3A277F

    oklch(35.3% 0.141 286.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #73001F, closest first.

Similar named colors

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

Use #73001F 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.