#A11437
Closest named color: Cranberry (#9E003A). oklch(45.9% 0.172 15.2), rgb(161, 20, 55).
Aa
White text reads best on this color (7.86:1).
About this color
#A11437 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.172 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Cranberry (#9E003A), ΔE 0.018 away. White text reads best on it, at 7.86:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Cranberry (#9E003A) |
| Black text | 2.67:1 |
| White text | 7.86:1 |
Values
| HEX | #A11437 |
| RGB | rgb(161, 20, 55) |
| HSL | hsl(345, 78%, 35%) |
| OKLCH | oklch(45.9% 0.172 15.2) |
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 #A11437 | 7.86:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #A11437 | 2.67:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #A11437 text on white | 7.86:1 | AAA | Lc 85.5 | Fine for body text |
| #A11437 text on black | 2.67:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E3
oklch(93.7% 0.029 17.7)
-
Step 200
200
#FCCBCD
oklch(88.5% 0.056 15.5)
-
Step 300
300
#FAA6AB
oklch(80.9% 0.1 15.6)
-
Step 400
400
#F3717F
oklch(70.7% 0.16 15.5)
-
Step 500
500
#EB4160
oklch(63.2% 0.205 15.2)
-
Step 600
600
#D60047
oklch(55.7% 0.223 15.1)
-
Step 700
700
#B5003A
oklch(49.1% 0.196 15.4)
-
Step 800
800 (this color)
#A11437
oklch(45.9% 0.172 15.2)
-
Step 900
900
#781329
oklch(37.6% 0.134 15.2)
-
Step 950
950
#470F18
oklch(27% 0.084 15.8)
#A11437 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) | #423F37 | 0.192 |
| Deuteranopia (no green cones) | #645C33 | 0.176 |
| Tritanopia (no blue cones) | #B10025 | 0.038 |
| Achromatopsia (no color) | #525252 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A11437
#A11437
oklch(45.9% 0.172 15.2)
- #006565
#006565
oklch(45.9% 0.078 194.8)
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 #A11437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cranberry #9E003A ΔE 0.018
- Rouge #AB1239 ΔE 0.021
- Auburn #9B2226 ΔE 0.031
- Carmine #9D0216 ΔE 0.037
- Berry #990F4B ΔE 0.038
- Purple Red #990147 ΔE 0.039
- Brown #A52A2A ΔE 0.039
- Raspberry #B00149 ΔE 0.041
Use #A11437 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.