#770003
Closest named color: Blood (#770001). oklch(35.8% 0.146 28.3), rgb(119, 0, 3).
Aa
White text reads best on this color (11.76:1).
About this color
#770003 is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.146 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.002 away. White text reads best on it, at 11.76:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Blood (#770001) |
| Black text | 1.78:1 |
| White text | 11.76:1 |
Values
| HEX | #770003 |
| RGB | rgb(119, 0, 3) |
| HSL | hsl(358, 100%, 23%) |
| OKLCH | oklch(35.8% 0.146 28.3) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #770003 | 11.76:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #770003 | 1.78:1 | Fails | Lc 9.2 | Not readable |
| #770003 text on white | 11.76:1 | AAA | Lc 94.7 | Preferred for body text |
| #770003 text on black | 1.78:1 | Fails | Lc -7.9 | 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.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FB6E5F
oklch(70.8% 0.176 28.4)
-
Step 500
500
#F3372E
oklch(63% 0.224 28.4)
-
Step 600
600
#D9000B
oklch(55.6% 0.228 28.4)
-
Step 700
700
#B80008
oklch(49.2% 0.201 28.3)
-
Step 800
800
#980005
oklch(42.7% 0.175 28.4)
-
Step 900
900 (this color)
#770003
oklch(35.8% 0.146 28.3)
-
Step 950
950
#4A0C09
oklch(27% 0.093 28.1)
#770003 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2F2801 | 0.160 |
| Deuteranopia (no green cones) | #4A4000 | 0.142 |
| Tritanopia (no blue cones) | #840004 | 0.030 |
| Achromatopsia (no color) | #383838 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #770003
#770003
oklch(35.8% 0.146 28.3)
- #00454D
#00454D
oklch(35.7% 0.061 207.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #770003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.002
- Reddy Brown #6E1005 ΔE 0.021
- Maroon #800000 ΔE 0.021
- Wine Red #7B0323 ΔE 0.033
- Claret #680018 ΔE 0.041
- Dark Red #8B0000 ΔE 0.046
- Bordeaux #7B002C ΔE 0.046
- Chestnut #742802 ΔE 0.052
Use #770003 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.