#902507
Closest named color: Brown Red (#922B05). oklch(43.4% 0.147 34.8), rgb(144, 37, 7).
Aa
White text reads best on this color (8.55:1).
About this color
#902507 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.147 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Red (#922B05), ΔE 0.012 away. White text reads best on it, at 8.55:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Brown Red (#922B05) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #902507 |
| RGB | rgb(144, 37, 7) |
| HSL | hsl(13, 91%, 30%) |
| OKLCH | oklch(43.4% 0.147 34.8) |
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 #902507 | 8.55:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #902507 | 2.45:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #902507 text on white | 8.55:1 | AAA | Lc 88.2 | Fine for body text |
| #902507 text on black | 2.45:1 | Fails | Lc -14.0 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CFC4
oklch(88.6% 0.048 35.9)
-
Step 300
300
#F3AD9B
oklch(80.9% 0.087 35)
-
Step 400
400
#E97E64
oklch(70.7% 0.138 34.7)
-
Step 500
500
#DF5837
oklch(63.2% 0.176 34.9)
-
Step 600
600
#CA360A
oklch(55.5% 0.191 34.8)
-
Step 700
700
#AD2900
oklch(49.1% 0.173 34.7)
-
Step 800
800 (this color)
#902507
oklch(43.4% 0.147 34.8)
-
Step 900
900
#722310
oklch(37.7% 0.115 34.6)
-
Step 950
950
#43160B
oklch(27% 0.073 35)
#902507 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) | #463D01 | 0.154 |
| Deuteranopia (no green cones) | #605500 | 0.139 |
| Tritanopia (no blue cones) | #9F0020 | 0.048 |
| Achromatopsia (no color) | #4C4C4C | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #902507
#902507
oklch(43.4% 0.147 34.8)
- #005B6B
#005B6B
oklch(43.4% 0.077 215)
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 #902507, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Red #922B05 ΔE 0.012
- Red Brown #8B2E16 ΔE 0.016
- Brick Red #8F1402 ΔE 0.022
- Rust Brown #8B3103 ΔE 0.022
- Burnt Red #9F2305 ΔE 0.031
- Deep Red #9A0200 ΔE 0.033
- Blood Red #980002 ΔE 0.033
- Auburn #9B2226 ΔE 0.035
Use #902507 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.