#A91C55
Closest named color: Raspberry (#B00149). oklch(48.6% 0.178 3.3), rgb(169, 28, 85).
Aa
White text reads best on this color (7.03:1).
About this color
#A91C55 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.178 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.023 away. White text reads best on it, at 7.03:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #A91C55 |
| RGB | rgb(169, 28, 85) |
| HSL | hsl(336, 72%, 39%) |
| OKLCH | oklch(48.6% 0.178 3.3) |
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 #A91C55 | 7.03:1 | AAA | Lc -87.8 | Fine for body text |
| Black text on #A91C55 | 2.98:1 | Fails | Lc 21.3 | Dividers and decoration only |
| #A91C55 text on white | 7.03:1 | AAA | Lc 82.8 | Fine for body text |
| #A91C55 text on black | 2.98:1 | Fails | Lc -19.1 | 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
#F9E3E8
oklch(93.5% 0.025 2.1)
-
Step 200
200
#F6CDD6
oklch(88.6% 0.048 3.3)
-
Step 300
300
#F1AABB
oklch(81% 0.086 3.4)
-
Step 400
400
#E67998
oklch(70.7% 0.138 3.1)
-
Step 500
500
#DB517F
oklch(63.1% 0.176 3)
-
Step 600
600
#C62E68
oklch(55.6% 0.191 3.2)
-
Step 700
700 (this color)
#A91C55
oklch(48.6% 0.178 3.3)
-
Step 800
800
#8B1D47
oklch(42.8% 0.148 3.2)
-
Step 900
900
#70203B
oklch(37.8% 0.114 3.8)
-
Step 950
950
#421423
oklch(27.1% 0.073 3.1)
#A91C55 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) | #424756 | 0.201 |
| Deuteranopia (no green cones) | #676252 | 0.180 |
| Tritanopia (no blue cones) | #B80036 | 0.051 |
| Achromatopsia (no color) | #595959 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91C55
#A91C55
oklch(48.6% 0.178 3.3)
- #006F64
#006F64
oklch(48.6% 0.087 183.1)
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 #A91C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.023
- Violet Red #A50055 ΔE 0.024
- Deep Magenta #A0025C ΔE 0.036
- Dark Fuchsia #9D0759 ΔE 0.037
- Rouge #AB1239 ΔE 0.040
- Berry #990F4B ΔE 0.040
- Purple Red #990147 ΔE 0.046
- Cranberry #9E003A ΔE 0.048
Use #A91C55 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.