#A11B52
Closest named color: Violet Red (#A50055). oklch(47% 0.171 2.7), rgb(161, 27, 82).
Aa
White text reads best on this color (7.51:1).
About this color
#A11B52 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.171 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.020 away. White text reads best on it, at 7.51:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.79:1 |
| White text | 7.51:1 |
Values
| HEX | #A11B52 |
| RGB | rgb(161, 27, 82) |
| HSL | hsl(335, 71%, 37%) |
| OKLCH | oklch(47% 0.171 2.7) |
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 #A11B52 | 7.51:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #A11B52 | 2.79:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #A11B52 text on white | 7.51:1 | AAA | Lc 84.6 | Fine for body text |
| #A11B52 text on black | 2.79:1 | Fails | Lc -17.4 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F5CDD6
oklch(88.5% 0.046 2.9)
-
Step 300
300
#EFABBC
oklch(81% 0.082 2.6)
-
Step 400
400
#E37B99
oklch(70.7% 0.132 2.6)
-
Step 500
500
#D85480
oklch(63% 0.17 2.6)
-
Step 600
600
#C33369
oklch(55.5% 0.184 2.8)
-
Step 700
700 (this color)
#A11B52
oklch(47% 0.171 2.7)
-
Step 800
800
#892148
oklch(42.8% 0.142 2.8)
-
Step 900
900
#6E223C
oklch(37.7% 0.11 2.9)
-
Step 950
950
#411523
oklch(27% 0.07 3.2)
#A11B52 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) | #3E4453 | 0.194 |
| Deuteranopia (no green cones) | #625E4F | 0.174 |
| Tritanopia (no blue cones) | #B00034 | 0.051 |
| Achromatopsia (no color) | #545454 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A11B52
#A11B52
oklch(47% 0.171 2.7)
- #006A5F
#006A5F
oklch(47.1% 0.084 182.6)
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 #A11B52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.020
- Berry #990F4B ΔE 0.024
- Dark Fuchsia #9D0759 ΔE 0.026
- Deep Magenta #A0025C ΔE 0.029
- Purple Red #990147 ΔE 0.031
- Raspberry #B00149 ΔE 0.033
- Cranberry #9E003A ΔE 0.037
- Mulberry #920A4E ΔE 0.039
Use #A11B52 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.