#902737
Closest named color: Auburn (#9B2226). oklch(44.2% 0.14 16.5), rgb(144, 39, 55).
Aa
White text reads best on this color (8.29:1).
About this color
#902737 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.140 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.030 away. White text reads best on it, at 8.29:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #902737 |
| RGB | rgb(144, 39, 55) |
| HSL | hsl(351, 57%, 36%) |
| OKLCH | oklch(44.2% 0.14 16.5) |
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 #902737 | 8.29:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #902737 | 2.53:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #902737 text on white | 8.29:1 | AAA | Lc 87.6 | Fine for body text |
| #902737 text on black | 2.53:1 | Fails | Lc -14.6 | Not readable |
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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F6CECF
oklch(88.6% 0.045 16.3)
-
Step 300
300
#F1ACAE
oklch(81% 0.081 17.1)
-
Step 400
400
#E67C84
oklch(70.6% 0.131 16.2)
-
Step 500
500
#DB5665
oklch(63% 0.167 16.5)
-
Step 600
600
#C7354D
oklch(55.7% 0.182 16.4)
-
Step 700
700
#AB253E
oklch(49% 0.169 16.2)
-
Step 800
800 (this color)
#902737
oklch(44.2% 0.14 16.5)
-
Step 900
900
#70232D
oklch(37.8% 0.108 16.4)
-
Step 950
950
#42161A
oklch(27.1% 0.068 17.4)
#902737 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) | #434037 | 0.154 |
| Deuteranopia (no green cones) | #5E5634 | 0.141 |
| Tritanopia (no blue cones) | #9E092E | 0.035 |
| Achromatopsia (no color) | #4E4E4E | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #902737
#902737
oklch(44.2% 0.14 16.5)
- #006061
#006061
oklch(44.3% 0.076 196)
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 #902737, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.030
- Cranberry #9E003A ΔE 0.041
- Red Wine #8C0034 ΔE 0.044
- Carmine #9D0216 ΔE 0.045
- Red Brown #8B2E16 ΔE 0.045
- Berry #990F4B ΔE 0.048
- Brown #A52A2A ΔE 0.049
- Brick Red #8F1402 ΔE 0.050
Use #902737 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.