#910040
Closest named color: Purple Red (#990147). oklch(42.2% 0.169 5.6), rgb(145, 0, 64).
Aa
White text reads best on this color (9.21:1).
About this color
#910040 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.169 and its hue 6°. 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 9.21:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Purple Red (#990147) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #910040 |
| RGB | rgb(145, 0, 64) |
| HSL | hsl(334, 100%, 28%) |
| OKLCH | oklch(42.2% 0.169 5.6) |
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 #910040 | 9.21:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #910040 | 2.27:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #910040 text on white | 9.21:1 | AAA | Lc 88.9 | Fine for body text |
| #910040 text on black | 2.27:1 | 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
#FCE2E7
oklch(93.5% 0.029 4.5)
-
Step 200
200
#FACBD4
oklch(88.5% 0.054 5.4)
-
Step 300
300
#F8A6B7
oklch(81% 0.099 5.9)
-
Step 400
400
#F07192
oklch(70.7% 0.159 5.7)
-
Step 500
500
#E64278
oklch(63.1% 0.203 5.3)
-
Step 600
600
#D10960
oklch(55.5% 0.22 5.7)
-
Step 700
700
#B20050
oklch(49.1% 0.197 5.7)
-
Step 800
800 (this color)
#910040
oklch(42.2% 0.169 5.6)
-
Step 900
900
#761537
oklch(37.7% 0.132 5.8)
-
Step 950
950
#460F20
oklch(27% 0.084 6.2)
#910040 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) | #333641 | 0.192 |
| Deuteranopia (no green cones) | #56513D | 0.173 |
| Tritanopia (no blue cones) | #9F0023 | 0.053 |
| Achromatopsia (no color) | #474747 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #910040
#910040
oklch(42.2% 0.169 5.6)
- #005A53
#005A53
oklch(42.1% 0.074 185.7)
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 #910040, 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 0.021
- Mulberry #920A4E ΔE 0.022
- Berry #990F4B ΔE 0.026
- Cranberry #9E003A ΔE 0.031
- Red Purple #820747 ΔE 0.035
- Wine #80013F ΔE 0.038
- Dark Fuchsia #9D0759 ΔE 0.046
Use #910040 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.