#A91558
Closest named color: Violet Red (#A50055). oklch(48.3% 0.184 1.2), rgb(169, 21, 88).
Aa
White text reads best on this color (7.15:1).
About this color
#A91558 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.184 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.017 away. White text reads best on it, at 7.15:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #A91558 |
| RGB | rgb(169, 21, 88) |
| HSL | hsl(333, 78%, 37%) |
| OKLCH | oklch(48.3% 0.184 1.2) |
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 #A91558 | 7.15:1 | AAA | Lc -88.0 | Fine for body text |
| Black text on #A91558 | 2.93:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #A91558 text on white | 7.15:1 | AAA | Lc 83.0 | Fine for body text |
| #A91558 text on black | 2.93:1 | Fails | Lc -18.9 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F6CCD7
oklch(88.4% 0.049 0.6)
-
Step 300
300
#F1A9BD
oklch(80.9% 0.088 1.1)
-
Step 400
400
#E7789B
oklch(70.8% 0.142 1.3)
-
Step 500
500
#DC4F83
oklch(63.1% 0.181 1)
-
Step 600
600
#C72A6C
oklch(55.6% 0.197 1.2)
-
Step 700
700 (this color)
#A91558
oklch(48.3% 0.184 1.2)
-
Step 800
800
#8B1A4A
oklch(42.6% 0.151 0.9)
-
Step 900
900
#701E3E
oklch(37.7% 0.118 0.8)
-
Step 950
950
#421324
oklch(26.9% 0.075 1.1)
#A91558 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) | #3E4659 | 0.209 |
| Deuteranopia (no green cones) | #656155 | 0.185 |
| Tritanopia (no blue cones) | #B80036 | 0.057 |
| Achromatopsia (no color) | #585858 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91558
#A91558
oklch(48.3% 0.184 1.2)
- #006E61
#006E61
oklch(48.3% 0.087 180.9)
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 #A91558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.017
- Raspberry #B00149 ΔE 0.026
- Deep Magenta #A0025C ΔE 0.029
- Dark Fuchsia #9D0759 ΔE 0.031
- Berry #990F4B ΔE 0.039
- Red Violet #9E0168 ΔE 0.044
- Purple Red #990147 ΔE 0.045
- Rouge #AB1239 ΔE 0.046
Use #A91558 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.