#900F25
Closest named color: Red Wine (#8C0034). oklch(42% 0.159 20.4), rgb(144, 15, 37).
Aa
White text reads best on this color (9.20:1).
About this color
#900F25 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.159 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.030 away. White text reads best on it, at 9.20:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #900F25 |
| RGB | rgb(144, 15, 37) |
| HSL | hsl(350, 81%, 31%) |
| OKLCH | oklch(42% 0.159 20.4) |
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 #900F25 | 9.20:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #900F25 | 2.28:1 | Fails | Lc 14.6 | Not readable |
| #900F25 text on white | 9.20:1 | AAA | Lc 89.4 | Fine for body text |
| #900F25 text on black | 2.28:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FACCCB
oklch(88.5% 0.052 19.6)
-
Step 300
300
#F7A9A7
oklch(80.9% 0.093 20.9)
-
Step 400
400
#EF7679
oklch(70.7% 0.149 20.1)
-
Step 500
500
#E64B56
oklch(63.2% 0.191 20.6)
-
Step 600
600
#D1203C
oklch(55.6% 0.207 20.3)
-
Step 700
700
#B40B2E
oklch(49% 0.192 20.3)
-
Step 800
800 (this color)
#900F25
oklch(42% 0.159 20.4)
-
Step 900
900
#761B24
oklch(37.8% 0.125 20.4)
-
Step 950
950
#451215
oklch(26.9% 0.078 20.8)
#900F25 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) | #3B3625 | 0.176 |
| Deuteranopia (no green cones) | #5A5121 | 0.161 |
| Tritanopia (no blue cones) | #9F001A | 0.032 |
| Achromatopsia (no color) | #484848 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900F25
#900F25
oklch(42% 0.159 20.4)
- #00585D
#00585D
oklch(41.9% 0.071 201.5)
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 #900F25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.030
- Carmine #9D0216 ΔE 0.030
- Blood Red #980002 ΔE 0.030
- Brick Red #8F1402 ΔE 0.031
- Dark Red #8B0000 ΔE 0.032
- Deep Red #9A0200 ΔE 0.033
- Auburn #9B2226 ΔE 0.036
- Cranberry #9E003A ΔE 0.041
Use #900F25 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.