#900034
Closest named color: Red Wine (#8C0034). oklch(41.7% 0.167 11.6), rgb(144, 0, 52).
Aa
White text reads best on this color (9.39:1).
About this color
#900034 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.167 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.009 away. White text reads best on it, at 9.39:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #900034 |
| RGB | rgb(144, 0, 52) |
| HSL | hsl(338, 100%, 28%) |
| OKLCH | oklch(41.7% 0.167 11.6) |
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 #900034 | 9.39:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #900034 | 2.23:1 | Fails | Lc 14.6 | Not readable |
| #900034 text on white | 9.39:1 | AAA | Lc 89.4 | Fine for body text |
| #900034 text on black | 2.23:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E5
oklch(93.7% 0.028 12.1)
-
Step 200
200
#FBCBD0
oklch(88.5% 0.055 11.2)
-
Step 300
300
#F8A6B0
oklch(80.8% 0.098 11.5)
-
Step 400
400
#F07287
oklch(70.6% 0.156 11.5)
-
Step 500
500
#E7446A
oklch(63.1% 0.199 11.4)
-
Step 600
600
#D21052
oklch(55.5% 0.216 11.4)
-
Step 700
700
#B40043
oklch(49.1% 0.196 11.6)
-
Step 800
800 (this color)
#900034
oklch(41.7% 0.167 11.6)
-
Step 900
900
#76162F
oklch(37.6% 0.13 11.6)
-
Step 950
950
#46101C
oklch(27% 0.082 11.5)
#900034 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) | #353535 | 0.188 |
| Deuteranopia (no green cones) | #575030 | 0.171 |
| Tritanopia (no blue cones) | #9E001C | 0.045 |
| Achromatopsia (no color) | #464646 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900034
#900034
oklch(41.7% 0.167 11.6)
- #005856
#005856
oklch(41.6% 0.071 192.1)
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 #900034, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.009
- Cranberry #9E003A ΔE 0.032
- Purple Red #990147 ΔE 0.034
- Berry #990F4B ΔE 0.039
- Mulberry #920A4E ΔE 0.040
- Wine #80013F ΔE 0.042
- Red Purple #820747 ΔE 0.044
- Carmine #9D0216 ΔE 0.048
Use #900034 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.