#90174A
Closest named color: Mulberry (#920A4E). oklch(43.4% 0.158 2), rgb(144, 23, 74).
Aa
White text reads best on this color (8.72:1).
About this color
#90174A is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.158 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.014 away. White text reads best on it, at 8.72:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.40:1 |
| White text | 8.72:1 |
Values
| HEX | #90174A |
| RGB | rgb(144, 23, 74) |
| HSL | hsl(335, 72%, 33%) |
| OKLCH | oklch(43.4% 0.158 2) |
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 #90174A | 8.72:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #90174A | 2.40:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #90174A text on white | 8.72:1 | AAA | Lc 88.4 | Fine for body text |
| #90174A text on black | 2.40:1 | Fails | Lc -13.8 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F8CCD6
oklch(88.6% 0.051 2.9)
-
Step 300
300
#F3A8BC
oklch(80.9% 0.091 1.9)
-
Step 400
400
#EA7599
oklch(70.7% 0.149 2.1)
-
Step 500
500
#DF4B81
oklch(63.1% 0.188 1.8)
-
Step 600
600
#CB226A
oklch(55.7% 0.206 2.1)
-
Step 700
700
#AF0F58
oklch(49.2% 0.191 2.2)
-
Step 800
800 (this color)
#90174A
oklch(43.4% 0.158 2)
-
Step 900
900
#721B3C
oklch(37.7% 0.123 2.3)
-
Step 950
950
#431223
oklch(27% 0.077 2.4)
#90174A 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) | #363C4B | 0.180 |
| Deuteranopia (no green cones) | #575347 | 0.160 |
| Tritanopia (no blue cones) | #9D002F | 0.046 |
| Achromatopsia (no color) | #4B4B4B | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90174A
#90174A
oklch(43.4% 0.158 2)
- #005E54
#005E54
oklch(43.3% 0.077 182.5)
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 #90174A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.014
- Berry #990F4B ΔE 0.018
- Purple Red #990147 ΔE 0.020
- Red Wine #8C0034 ΔE 0.035
- Dark Fuchsia #9D0759 ΔE 0.037
- Cranberry #9E003A ΔE 0.037
- Red Purple #820747 ΔE 0.038
- Deep Magenta #A0025C ΔE 0.044
Use #90174A 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.