Blood #770001

Blood is a dark, vivid red with hex code #770001 and RGB rgb(119, 0, 1).

Aa

White text reads best on this color (11.76:1).

About this color

#770001 is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.147 and its hue 29°. Its hue sits on the warm side of the wheel. It is the named color Blood. White text reads best on it, at 11.76:1.

Hue familyReds
Lightnessdark (36%)
Chromavivid (0.147)
Temperaturewarm
Nearest nameBlood
Black text1.78:1
White text11.76:1

Colors that go with Blood

Matches found by rotating Blood 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

Analogous

Neighbouring hues, 30° either side.

Open the analogous palette in the generator

Color palettes with Blood

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

Similar named colors

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

More about Blood

How to make Blood

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 black

Recipe result: #602B30, a difference of ΔE 0.073 from Blood. That is close; add a little more of one paint to match.

What colors make red? | Color mixing chart

Codes for Blood in every format

HEX#770001
RGBrgb(119, 0, 1)
HSLhsl(359, 100%, 23%)
OKLCHoklch(35.8% 0.147 28.9)

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 #770001 11.76:1 AAA Lc -98.6 Preferred for body text
Black text on #770001 1.78:1 Fails Lc 9.2 Not readable
#770001 text on white 11.76:1 AAA Lc 94.7 Preferred for body text
#770001 text on black 1.78:1 Fails Lc -7.9 Not readable

Shades and tints of Blood

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

    #FFE2DE

    oklch(93.5% 0.033 27.1)

  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

    #FB6E5D

    oklch(70.7% 0.176 29.1)

  6. Step 500

    500

    #F3372B

    oklch(63% 0.225 29)

  7. Step 600

    600

    #D90004

    oklch(55.6% 0.228 28.9)

  8. Step 700

    700

    #B80003

    oklch(49.2% 0.201 28.9)

  9. Step 800

    800

    #980002

    oklch(42.7% 0.175 28.9)

  10. Step 900

    900 (this color)

    #770001

    oklch(35.8% 0.147 28.9)

  11. Step 950

    950

    #4A0C08

    oklch(27% 0.093 28.8)

Export this scale for Tailwind in the Tailwind colors tool

Blood 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)#2F28000.160
Deuteranopia (no green cones)#4A40000.141
Tritanopia (no blue cones)#8400030.030
Achromatopsia (no color)#3838380.148

Use Blood 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.