#910D40
Closest named color: Purple Red (#990147). oklch(42.7% 0.163 6.7), rgb(145, 13, 64).
Aa
White text reads best on this color (8.99:1).
About this color
#910D40 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.163 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Red (#990147), ΔE 0.020 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 | Purple Red (#990147) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #910D40 |
| RGB | rgb(145, 13, 64) |
| HSL | hsl(337, 84%, 31%) |
| OKLCH | oklch(42.7% 0.163 6.7) |
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 #910D40 | 8.99:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #910D40 | 2.33:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #910D40 text on white | 8.99:1 | AAA | Lc 88.8 | Fine for body text |
| #910D40 text on black | 2.33:1 | Fails | Lc -13.4 | 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
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F9CBD3
oklch(88.4% 0.053 6.5)
-
Step 300
300
#F6A7B6
oklch(80.9% 0.095 6.9)
-
Step 400
400
#EE7391
oklch(70.7% 0.154 6.5)
-
Step 500
500
#E44776
oklch(63.2% 0.195 6.7)
-
Step 600
600
#CF185F
oklch(55.6% 0.212 6.5)
-
Step 700
700
#B2004E
oklch(49% 0.197 6.6)
-
Step 800
800 (this color)
#910D40
oklch(42.7% 0.163 6.7)
-
Step 900
900
#751836
oklch(37.7% 0.128 6.9)
-
Step 950
950
#451120
oklch(27.1% 0.08 6.8)
#910D40 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) | #363941 | 0.185 |
| Deuteranopia (no green cones) | #57523D | 0.167 |
| Tritanopia (no blue cones) | #9F0026 | 0.046 |
| Achromatopsia (no color) | #494949 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #910D40
#910D40
oklch(42.7% 0.163 6.7)
- #005C56
#005C56
oklch(42.8% 0.075 187.1)
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 #910D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Red #990147 ΔE 0.020
- Red Wine #8C0034 ΔE 0.022
- Mulberry #920A4E ΔE 0.023
- Berry #990F4B ΔE 0.024
- Cranberry #9E003A ΔE 0.028
- Red Purple #820747 ΔE 0.039
- Wine #80013F ΔE 0.042
- Dark Fuchsia #9D0759 ΔE 0.046
Use #910D40 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.