#900945
Closest named color: Mulberry (#920A4E). oklch(42.5% 0.166 3.3), rgb(144, 9, 69).
Aa
White text reads best on this color (9.08:1).
About this color
#900945 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.166 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.015 away. White text reads best on it, at 9.08:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #900945 |
| RGB | rgb(144, 9, 69) |
| HSL | hsl(333, 88%, 30%) |
| OKLCH | oklch(42.5% 0.166 3.3) |
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 #900945 | 9.08:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #900945 | 2.31:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #900945 text on white | 9.08:1 | AAA | Lc 89.0 | Fine for body text |
| #900945 text on black | 2.31:1 | 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
#F6A6BA
oklch(80.8% 0.097 3.1)
-
Step 400
400
#ED7397
oklch(70.7% 0.154 3.2)
-
Step 500
500
#E3457D
oklch(63% 0.198 3.2)
-
Step 600
600
#CF1566
oklch(55.7% 0.215 3.5)
-
Step 700
700
#B10055
oklch(49% 0.197 3.3)
-
Step 800
800 (this color)
#900945
oklch(42.5% 0.166 3.3)
-
Step 900
900
#74173A
oklch(37.6% 0.129 3.5)
-
Step 950
950
#451022
oklch(27% 0.082 3.8)
#900945 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) | #333846 | 0.189 |
| Deuteranopia (no green cones) | #555142 | 0.168 |
| Tritanopia (no blue cones) | #9D0028 | 0.051 |
| Achromatopsia (no color) | #484848 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900945
#900945
oklch(42.5% 0.166 3.3)
- #005C52
#005C52
oklch(42.6% 0.076 182.2)
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 #900945, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.015
- Purple Red #990147 ΔE 0.019
- Berry #990F4B ΔE 0.022
- Red Wine #8C0034 ΔE 0.027
- Red Purple #820747 ΔE 0.033
- Cranberry #9E003A ΔE 0.035
- Wine #80013F ΔE 0.038
- Dark Fuchsia #9D0759 ΔE 0.041
Use #900945 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.