#880421
Closest named color: Dark Red (#8B0000). oklch(39.8% 0.157 19.8), rgb(136, 4, 33).
Aa
White text reads best on this color (10.06:1).
About this color
#880421 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.157 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.027 away. White text reads best on it, at 10.06:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #880421 |
| RGB | rgb(136, 4, 33) |
| HSL | hsl(347, 94%, 27%) |
| OKLCH | oklch(39.8% 0.157 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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #880421 | 10.06:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #880421 | 2.08:1 | Fails | Lc 12.8 | Not readable |
| #880421 text on white | 10.06:1 | AAA | Lc 91.2 | Preferred for body text |
| #880421 text on black | 2.08:1 | Fails | Lc -11.1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E1
oklch(93.6% 0.032 20.1)
-
Step 200
200
#FFCAC9
oklch(88.5% 0.06 19.6)
-
Step 300
300
#FFA4A4
oklch(80.9% 0.108 19.7)
-
Step 400
400
#FF676F
oklch(70.7% 0.185 20.1)
-
Step 500
500
#F91F48
oklch(63% 0.241 19.8)
-
Step 600
600
#D70038
oklch(55.6% 0.223 19.8)
-
Step 700
700
#B6002E
oklch(49.1% 0.197 19.8)
-
Step 800
800
#970024
oklch(42.8% 0.172 20)
-
Step 900
900 (this color)
#880421
oklch(39.8% 0.157 19.8)
-
Step 950
950
#4C0611
oklch(27% 0.1 19.6)
#880421 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) | #353121 | 0.176 |
| Deuteranopia (no green cones) | #544B1C | 0.159 |
| Tritanopia (no blue cones) | #960013 | 0.034 |
| Achromatopsia (no color) | #424242 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #880421
#880421
oklch(39.8% 0.157 19.8)
- #005255
#005255
oklch(39.8% 0.068 199.1)
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 #880421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.027
- Red Wine #8C0034 ΔE 0.028
- Wine Red #7B0323 ΔE 0.030
- Maroon #800000 ΔE 0.034
- Bordeaux #7B002C ΔE 0.036
- Brick Red #8F1402 ΔE 0.037
- Blood Red #980002 ΔE 0.043
- Deep Red #9A0200 ΔE 0.047
Use #880421 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.