#900E45
Closest named color: Mulberry (#920A4E). oklch(42.7% 0.163 3.7), rgb(144, 14, 69).
Aa
White text reads best on this color (8.99:1).
About this color
#900E45 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.163 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.016 away. White text reads best on it, at 8.99:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #900E45 |
| RGB | rgb(144, 14, 69) |
| HSL | hsl(335, 82%, 31%) |
| OKLCH | oklch(42.7% 0.163 3.7) |
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 #900E45 | 8.99:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #900E45 | 2.33:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #900E45 text on white | 8.99:1 | AAA | Lc 88.9 | Fine for body text |
| #900E45 text on black | 2.33:1 | Fails | Lc -13.3 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F9CBD5
oklch(88.5% 0.053 3.6)
-
Step 300
300
#F5A7BA
oklch(80.9% 0.095 3.5)
-
Step 400
400
#EC7496
oklch(70.7% 0.151 3.8)
-
Step 500
500
#E2477C
oklch(63% 0.194 3.8)
-
Step 600
600
#CE1A66
oklch(55.7% 0.212 3.6)
-
Step 700
700
#B10254
oklch(49% 0.196 3.8)
-
Step 800
800 (this color)
#900E45
oklch(42.7% 0.163 3.7)
-
Step 900
900
#74193A
oklch(37.8% 0.127 3.9)
-
Step 950
950
#441122
oklch(27% 0.08 3.7)
#900E45 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) | #343946 | 0.186 |
| Deuteranopia (no green cones) | #565242 | 0.166 |
| Tritanopia (no blue cones) | #9D0029 | 0.048 |
| Achromatopsia (no color) | #494949 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900E45
#900E45
oklch(42.7% 0.163 3.7)
- #005C53
#005C53
oklch(42.6% 0.076 183.4)
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 #900E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.016
- Purple Red #990147 ΔE 0.019
- Berry #990F4B ΔE 0.021
- Red Wine #8C0034 ΔE 0.027
- Cranberry #9E003A ΔE 0.034
- Red Purple #820747 ΔE 0.034
- Wine #80013F ΔE 0.040
- Dark Fuchsia #9D0759 ΔE 0.041
Use #900E45 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.