#A91B53
Closest named color: Raspberry (#B00149). oklch(48.5% 0.178 4.2), rgb(169, 27, 83).
Aa
White text reads best on this color (7.07:1).
About this color
#A91B53 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.178 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.021 away. White text reads best on it, at 7.07:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #A91B53 |
| RGB | rgb(169, 27, 83) |
| HSL | hsl(336, 72%, 38%) |
| OKLCH | oklch(48.5% 0.178 4.2) |
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 #A91B53 | 7.07:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #A91B53 | 2.96:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #A91B53 text on white | 7.07:1 | AAA | Lc 82.9 | Fine for body text |
| #A91B53 text on black | 2.96:1 | Fails | Lc -19.0 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F6CDD5
oklch(88.6% 0.047 4.9)
-
Step 300
300
#F1AABA
oklch(81% 0.086 4.3)
-
Step 400
400
#E67996
oklch(70.7% 0.137 4.3)
-
Step 500
500
#DB517D
oklch(63% 0.176 3.9)
-
Step 600
600
#C72E66
oklch(55.7% 0.192 4.3)
-
Step 700
700 (this color)
#A91B53
oklch(48.5% 0.178 4.2)
-
Step 800
800
#8B1D45
oklch(42.7% 0.147 4.4)
-
Step 900
900
#701F3A
oklch(37.7% 0.116 4.3)
-
Step 950
950
#421422
oklch(27% 0.073 4.5)
#A91B53 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) | #424754 | 0.201 |
| Deuteranopia (no green cones) | #676250 | 0.181 |
| Tritanopia (no blue cones) | #B80035 | 0.050 |
| Achromatopsia (no color) | #585858 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91B53
#A91B53
oklch(48.5% 0.178 4.2)
- #006E65
#006E65
oklch(48.4% 0.085 185)
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 #A91B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.021
- Violet Red #A50055 ΔE 0.024
- Rouge #AB1239 ΔE 0.037
- Deep Magenta #A0025C ΔE 0.037
- Dark Fuchsia #9D0759 ΔE 0.038
- Berry #990F4B ΔE 0.039
- Purple Red #990147 ΔE 0.045
- Cranberry #9E003A ΔE 0.045
Use #A91B53 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.