#900D27
Closest named color: Red Wine (#8C0034). oklch(41.9% 0.16 19.2), rgb(144, 13, 39).
Aa
White text reads best on this color (9.24:1).
About this color
#900D27 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.160 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.026 away. White text reads best on it, at 9.24:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #900D27 |
| RGB | rgb(144, 13, 39) |
| HSL | hsl(348, 83%, 31%) |
| OKLCH | oklch(41.9% 0.16 19.2) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #900D27 | 9.24:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #900D27 | 2.27:1 | Fails | Lc 14.6 | Not readable |
| #900D27 text on white | 9.24:1 | AAA | Lc 89.4 | Fine for body text |
| #900D27 text on black | 2.27:1 | Fails | Lc -12.8 | 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 800.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FACCCB
oklch(88.5% 0.052 19.6)
-
Step 300
300
#F7A8A8
oklch(80.8% 0.094 19.3)
-
Step 400
400
#EF767B
oklch(70.7% 0.149 19.1)
-
Step 500
500
#E64A59
oklch(63.1% 0.192 19.2)
-
Step 600
600
#D11E3F
oklch(55.6% 0.208 19.1)
-
Step 700
700
#B50831
oklch(49.2% 0.194 19.2)
-
Step 800
800 (this color)
#900D27
oklch(41.9% 0.16 19.2)
-
Step 900
900
#761A25
oklch(37.7% 0.125 19.4)
-
Step 950
950
#451216
oklch(27% 0.078 19.6)
#900D27 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) | #3A3627 | 0.179 |
| Deuteranopia (no green cones) | #5A5123 | 0.162 |
| Tritanopia (no blue cones) | #9F001A | 0.034 |
| Achromatopsia (no color) | #474747 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900D27
#900D27
oklch(41.9% 0.16 19.2)
- #00585C
#00585C
oklch(41.9% 0.071 200.2)
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 #900D27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.026
- Carmine #9D0216 ΔE 0.032
- Blood Red #980002 ΔE 0.033
- Brick Red #8F1402 ΔE 0.034
- Dark Red #8B0000 ΔE 0.035
- Deep Red #9A0200 ΔE 0.036
- Auburn #9B2226 ΔE 0.038
- Cranberry #9E003A ΔE 0.039
Use #900D27 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.