#903428
Closest named color: Red Brown (#8B2E16). oklch(45.5% 0.127 30.2), rgb(144, 52, 40).
Aa
White text reads best on this color (7.75:1).
About this color
#903428 is a medium-dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.127 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.022 away. White text reads best on it, at 7.75:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.70:1 |
| White text | 7.75:1 |
Values
| HEX | #903428 |
| RGB | rgb(144, 52, 40) |
| HSL | hsl(7, 57%, 36%) |
| OKLCH | oklch(45.5% 0.127 30.2) |
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 #903428 | 7.75:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #903428 | 2.70:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #903428 text on white | 7.75:1 | AAA | Lc 86.1 | Fine for body text |
| #903428 text on black | 2.70:1 | Fails | Lc -15.9 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C9
oklch(88.5% 0.041 31.2)
-
Step 300
300
#EDAFA4
oklch(80.9% 0.075 30.1)
-
Step 400
400
#E18373
oklch(70.7% 0.119 30.6)
-
Step 500
500
#D6604F
oklch(63.2% 0.152 30.2)
-
Step 600
600
#C14232
oklch(55.6% 0.166 30.2)
-
Step 700
700
#A63325
oklch(49.1% 0.153 30.3)
-
Step 800
800 (this color)
#903428
oklch(45.5% 0.127 30.2)
-
Step 900
900
#6D291F
oklch(37.8% 0.099 30.7)
-
Step 950
950
#401913
oklch(27.1% 0.062 30.5)
#903428 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) | #4D4626 | 0.133 |
| Deuteranopia (no green cones) | #645A25 | 0.122 |
| Tritanopia (no blue cones) | #9E1E32 | 0.045 |
| Achromatopsia (no color) | #525252 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903428
#903428
oklch(45.5% 0.127 30.2)
- #00626F
#00626F
oklch(45.5% 0.079 210.5)
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 #903428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.022
- Brown Red #922B05 ΔE 0.026
- Rust Brown #8B3103 ΔE 0.030
- Auburn #9B2226 ΔE 0.033
- Brick #A03623 ΔE 0.034
- Burnt Red #9F2305 ΔE 0.038
- Brown #A52A2A ΔE 0.043
- Russet #A13905 ΔE 0.046
Use #903428 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.