#90455B
Closest named color: Dark Mauve (#874C62). oklch(49.2% 0.104 3.1), rgb(144, 69, 91).
Aa
White text reads best on this color (6.58:1).
About this color
#90455B is a medium-dark, moderately saturated red. In OKLCH its lightness is 49%, its chroma 0.104 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.022 away. White text reads best on it, at 6.58:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #90455B |
| RGB | rgb(144, 69, 91) |
| HSL | hsl(342, 35%, 42%) |
| OKLCH | oklch(49.2% 0.104 3.1) |
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 #90455B | 6.58:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #90455B | 3.18:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #90455B text on white | 6.58:1 | AA | Lc 82.2 | Fine for body text |
| #90455B text on black | 3.18:1 | AA large text | Lc -19.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#FAF4F5
oklch(97.2% 0.007 5.6)
-
Step 100
100
#F3E6E9
oklch(93.6% 0.015 1.6)
-
Step 200
200
#EAD2D7
oklch(88.5% 0.027 3.5)
-
Step 300
300
#DEB4BD
oklch(81% 0.05 3.9)
-
Step 400
400
#CC8C9C
oklch(70.8% 0.08 3)
-
Step 500
500
#BD6E83
oklch(63.1% 0.103 3.3)
-
Step 600
600
#A8556D
oklch(55.6% 0.112 3)
-
Step 700
700 (this color)
#90455B
oklch(49.2% 0.104 3.1)
-
Step 800
800
#75394A
oklch(42.7% 0.086 3.4)
-
Step 900
900
#5F313E
oklch(37.7% 0.068 2.8)
-
Step 950
950
#381D24
oklch(27% 0.043 3.7)
#90455B 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) | #52545C | 0.114 |
| Deuteranopia (no green cones) | #656259 | 0.105 |
| Tritanopia (no blue cones) | #9B3F4D | 0.028 |
| Achromatopsia (no color) | #5D5D5D | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90455B
#90455B
oklch(49.2% 0.104 3.1)
- #007166
#007166
oklch(49.3% 0.088 183.2)
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 #90455B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.022
- Light Maroon #A24857 ΔE 0.038
- Light Burgundy #A8415B ΔE 0.046
- Brownish Purple #76424E ΔE 0.056
- Dusky Purple #895B7B ΔE 0.062
- Dull Purple #84597E ΔE 0.064
- Light Eggplant #894585 ΔE 0.070
- Light Plum #9D5783 ΔE 0.071
Use #90455B 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.