#A10B39
Closest named color: Cranberry (#9E003A). oklch(45.6% 0.176 13.4), rgb(161, 11, 57).
Aa
White text reads best on this color (8.00:1).
About this color
#A10B39 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.176 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Cranberry (#9E003A), ΔE 0.011 away. White text reads best on it, at 8.00:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Cranberry (#9E003A) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #A10B39 |
| RGB | rgb(161, 11, 57) |
| HSL | hsl(342, 87%, 34%) |
| OKLCH | oklch(45.6% 0.176 13.4) |
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 #A10B39 | 8.00:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #A10B39 | 2.62:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #A10B39 text on white | 8.00:1 | AAA | Lc 85.7 | Fine for body text |
| #A10B39 text on black | 2.62:1 | Fails | Lc -16.4 | 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 800.
-
Step 50
50
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FDE2E4
oklch(93.5% 0.03 12.6)
-
Step 200
200
#FDCACE
oklch(88.5% 0.058 13)
-
Step 300
300
#FCA5AD
oklch(81% 0.103 13.6)
-
Step 400
400
#F56F82
oklch(70.7% 0.165 13.6)
-
Step 500
500
#EC3D63
oklch(63.1% 0.21 13.5)
-
Step 600
600
#D5004C
oklch(55.6% 0.222 13.3)
-
Step 700
700
#B4003F
oklch(49% 0.196 13.2)
-
Step 800
800 (this color)
#A10B39
oklch(45.6% 0.176 13.4)
-
Step 900
900
#79102C
oklch(37.6% 0.137 12.9)
-
Step 950
950
#480E1A
oklch(27.1% 0.087 13.4)
#A10B39 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) | #3F3E39 | 0.198 |
| Deuteranopia (no green cones) | #635B35 | 0.180 |
| Tritanopia (no blue cones) | #B10023 | 0.043 |
| Achromatopsia (no color) | #505050 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A10B39
#A10B39
oklch(45.6% 0.176 13.4)
- #006463
#006463
oklch(45.5% 0.078 193.6)
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 #A10B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cranberry #9E003A ΔE 0.011
- Rouge #AB1239 ΔE 0.024
- Purple Red #990147 ΔE 0.032
- Berry #990F4B ΔE 0.033
- Auburn #9B2226 ΔE 0.038
- Raspberry #B00149 ΔE 0.038
- Carmine #9D0216 ΔE 0.040
- Violet Red #A50055 ΔE 0.045
Use #A10B39 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.