#91015B
Closest named color: Mulberry (#920A4E). oklch(43.2% 0.179 351.6), rgb(145, 1, 91).
Aa
White text reads best on this color (8.90:1).
About this color
#91015B is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.179 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.025 away. White text reads best on it, at 8.90:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #91015B |
| RGB | rgb(145, 1, 91) |
| HSL | hsl(323, 99%, 29%) |
| OKLCH | oklch(43.2% 0.179 351.6) |
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 #91015B | 8.90:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #91015B | 2.35:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #91015B text on white | 8.90:1 | AAA | Lc 88.2 | Fine for body text |
| #91015B text on black | 2.35:1 | Fails | Lc -14.0 | 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FBE2EC
oklch(93.6% 0.03 351.5)
-
Step 200
200
#F9CADD
oklch(88.5% 0.058 352.2)
-
Step 300
300
#F5A5C8
oklch(81% 0.104 351.8)
-
Step 400
400
#EC6FAC
oklch(70.7% 0.167 351.7)
-
Step 500
500
#E23F98
oklch(63.2% 0.214 351.6)
-
Step 600
600
#CC0082
oklch(55.6% 0.231 351.6)
-
Step 700
700
#AD006D
oklch(49.1% 0.204 351.8)
-
Step 800
800 (this color)
#91015B
oklch(43.2% 0.179 351.6)
-
Step 900
900
#73134A
oklch(37.7% 0.139 351.3)
-
Step 950
950
#440E2B
oklch(27% 0.088 351.7)
#91015B 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) | #293B5D | 0.204 |
| Deuteranopia (no green cones) | #505258 | 0.177 |
| Tritanopia (no blue cones) | #9D0033 | 0.072 |
| Achromatopsia (no color) | #4A4A4A | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91015B
#91015B
oklch(43.2% 0.179 351.6)
- #005F4B
#005F4B
oklch(43.2% 0.084 171.9)
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 #91015B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.025
- Dark Fuchsia #9D0759 ΔE 0.029
- Deep Magenta #A0025C ΔE 0.033
- Red Violet #9E0168 ΔE 0.034
- Berry #990F4B ΔE 0.038
- Purple Red #990147 ΔE 0.040
- Red Purple #820747 ΔE 0.044
- Violet Red #A50055 ΔE 0.046
Use #91015B 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.