Dark Red #8B0000

Dark Red is a dark, vivid red with hex code #8B0000 and RGB rgb(139, 0, 0).

Aa

White text reads best on this color (10.01:1).

About this color

#8B0000 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.164 and its hue 29°. Its hue sits on the warm side of the wheel. It is the named color Dark Red. White text reads best on it, at 10.01:1.

Hue familyReds
Lightnessdark (40%)
Chromavivid (0.164)
Temperaturewarm
Nearest nameDark Red
Black text2.09:1
White text10.01:1

Colors that go with Dark Red

Matches found by rotating Dark Red around the OKLCH hue wheel, each labelled with the closest name in our list.

Complementary

The opposite hue (180°).

Open the complementary palette in the generator

Color palettes with Dark Red

Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Dark Red, closest first.

Similar named colors

The eight named colors closest to Dark Red, with their ΔE distance.

More about Dark Red

How to make Dark Red

A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.

  • 4 parts red
  • 1 part blue

Recipe result: #903235, a difference of ΔE 0.069 from Dark Red. That is close; add a little more of one paint to match.

What colors make red? | Color mixing chart

Codes for Dark Red in every format

HEX#8B0000
RGBrgb(139, 0, 0)
HSLhsl(0, 100%, 27%)
OKLCHoklch(40% 0.164 29.2)

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 #8B0000 10.01:1 AAA Lc -95.1 Preferred for body text
Black text on #8B0000 2.09:1 Fails Lc 13.2 Not readable
#8B0000 text on white 10.01:1 AAA Lc 90.7 Preferred for body text
#8B0000 text on black 2.09:1 Fails Lc -11.6 Not readable

Shades and tints of Dark Red

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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FFE2DD

    oklch(93.5% 0.033 29.4)

  3. Step 200

    200

    #FFCBC2

    oklch(88.5% 0.061 29.7)

  4. Step 300

    300

    #FFA698

    oklch(81% 0.108 29.4)

  5. Step 400

    400

    #FF6A58

    oklch(70.7% 0.185 29.4)

  6. Step 500

    500

    #FE170F

    oklch(63.1% 0.252 29.2)

  7. Step 600

    600

    #D90000

    oklch(55.6% 0.228 29.2)

  8. Step 700

    700

    #B80000

    oklch(49.1% 0.202 29.2)

  9. Step 800

    800

    #980000

    oklch(42.7% 0.175 29.2)

  10. Step 900

    900 (this color)

    #8B0000

    oklch(40% 0.164 29.2)

  11. Step 950

    950

    #4E0503

    oklch(27.1% 0.104 29.1)

Export this scale for Tailwind in the Tailwind colors tool

Dark Red 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)#3830000.179
Deuteranopia (no green cones)#574C000.159
Tritanopia (no blue cones)#9A00040.034
Achromatopsia (no color)#4242420.165

Use Dark Red 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.