#900B4D
Closest named color: Mulberry (#920A4E). oklch(42.8% 0.167 359.1), rgb(144, 11, 77).
Aa
White text reads best on this color (8.97:1).
About this color
#900B4D is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.167 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.004 away. White text reads best on it, at 8.97:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.34:1 |
| White text | 8.97:1 |
Values
| HEX | #900B4D |
| RGB | rgb(144, 11, 77) |
| HSL | hsl(330, 86%, 30%) |
| OKLCH | oklch(42.8% 0.167 359.1) |
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 #900B4D | 8.97:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #900B4D | 2.34:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #900B4D text on white | 8.97:1 | AAA | Lc 88.7 | Fine for body text |
| #900B4D text on black | 2.34:1 | Fails | Lc -13.5 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FBE2E9
oklch(93.5% 0.029 358.8)
-
Step 200
200
#F9CBD8
oklch(88.6% 0.054 359.5)
-
Step 300
300
#F5A6BF
oklch(80.9% 0.098 358.9)
-
Step 400
400
#EC729E
oklch(70.7% 0.157 359.1)
-
Step 500
500
#E24586
oklch(63.1% 0.2 359.3)
-
Step 600
600
#CD1470
oklch(55.6% 0.217 359.2)
-
Step 700
700
#B0005E
oklch(49.1% 0.2 359.1)
-
Step 800
800 (this color)
#900B4D
oklch(42.8% 0.167 359.1)
-
Step 900
900
#731740
oklch(37.6% 0.13 358.8)
-
Step 950
950
#441025
oklch(27% 0.082 359.5)
#900B4D 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) | #313A4E | 0.191 |
| Deuteranopia (no green cones) | #54524A | 0.169 |
| Tritanopia (no blue cones) | #9D002D | 0.056 |
| Achromatopsia (no color) | #494949 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900B4D
#900B4D
oklch(42.8% 0.167 359.1)
- #005D50
#005D50
oklch(42.8% 0.078 178.9)
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 #900B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.004
- Purple Red #990147 ΔE 0.021
- Berry #990F4B ΔE 0.022
- Dark Fuchsia #9D0759 ΔE 0.032
- Red Purple #820747 ΔE 0.033
- Red Wine #8C0034 ΔE 0.039
- Deep Magenta #A0025C ΔE 0.040
- Wine #80013F ΔE 0.042
Use #900B4D 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.