#A10949
Closest named color: Berry (#990F4B). oklch(45.9% 0.18 5.6), rgb(161, 9, 73).
Aa
White text reads best on this color (7.92:1).
About this color
#A10949 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.180 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Berry (#990F4B), ΔE 0.017 away. White text reads best on it, at 7.92:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Berry (#990F4B) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #A10949 |
| RGB | rgb(161, 9, 73) |
| HSL | hsl(335, 89%, 33%) |
| OKLCH | oklch(45.9% 0.18 5.6) |
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 #A10949 | 7.92:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #A10949 | 2.65:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #A10949 text on white | 7.92:1 | AAA | Lc 85.4 | Fine for body text |
| #A10949 text on black | 2.65:1 | Fails | Lc -16.6 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FDE2E7
oklch(93.6% 0.03 5)
-
Step 200
200
#FCCAD3
oklch(88.5% 0.058 6.2)
-
Step 300
300
#FBA4B7
oklch(81% 0.105 5.4)
-
Step 400
400
#F46D91
oklch(70.7% 0.168 5.7)
-
Step 500
500
#EB3A76
oklch(63.2% 0.214 5.8)
-
Step 600
600
#D20060
oklch(55.5% 0.223 5.6)
-
Step 700
700
#B20050
oklch(49.1% 0.197 5.7)
-
Step 800
800 (this color)
#A10949
oklch(45.9% 0.18 5.6)
-
Step 900
900
#780E37
oklch(37.6% 0.14 5.2)
-
Step 950
950
#470D20
oklch(27% 0.088 5.7)
#A10949 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) | #3B3F4A | 0.204 |
| Deuteranopia (no green cones) | #605B46 | 0.183 |
| Tritanopia (no blue cones) | #B0002B | 0.053 |
| Achromatopsia (no color) | #515151 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A10949
#A10949
oklch(45.9% 0.18 5.6)
- #00665E
#00665E
oklch(45.9% 0.081 185.5)
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 #A10949, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Berry #990F4B ΔE 0.017
- Purple Red #990147 ΔE 0.020
- Violet Red #A50055 ΔE 0.021
- Cranberry #9E003A ΔE 0.022
- Dark Fuchsia #9D0759 ΔE 0.029
- Raspberry #B00149 ΔE 0.031
- Deep Magenta #A0025C ΔE 0.033
- Mulberry #920A4E ΔE 0.035
Use #A10949 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.