#903F23
Closest named color: Saddle Brown (#8B4513). oklch(47% 0.117 39.1), rgb(144, 63, 35).
Aa
White text reads best on this color (7.18:1).
About this color
#903F23 is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.117 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Saddle Brown (#8B4513), ΔE 0.024 away. White text reads best on it, at 7.18:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Saddle Brown (#8B4513) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #903F23 |
| RGB | rgb(144, 63, 35) |
| HSL | hsl(15, 61%, 35%) |
| OKLCH | oklch(47% 0.117 39.1) |
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 #903F23 | 7.18:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #903F23 | 2.92:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #903F23 text on white | 7.18:1 | AAA | Lc 84.4 | Fine for body text |
| #903F23 text on black | 2.92:1 | Fails | Lc -17.6 | 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 700.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD3CA
oklch(88.6% 0.032 40.1)
-
Step 300
300
#E2B5A6
oklch(80.9% 0.057 39.2)
-
Step 400
400
#D28D76
oklch(70.7% 0.091 39.2)
-
Step 500
500
#C46F53
oklch(63.1% 0.116 38.9)
-
Step 600
600
#B05537
oklch(55.6% 0.127 38.7)
-
Step 700
700 (this color)
#903F23
oklch(47% 0.117 39.1)
-
Step 800
800
#7A3923
oklch(42.6% 0.097 39.1)
-
Step 900
900
#633222
oklch(37.7% 0.076 38.7)
-
Step 950
950
#3A1E14
oklch(27.1% 0.047 40.3)
#903F23 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) | #554C20 | 0.115 |
| Deuteranopia (no green cones) | #695E21 | 0.105 |
| Tritanopia (no blue cones) | #9E2E39 | 0.054 |
| Achromatopsia (no color) | #575757 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903F23
#903F23
oklch(47% 0.117 39.1)
- #00667B
#00667B
oklch(47.1% 0.085 218.5)
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 #903F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Saddle Brown #8B4513 ΔE 0.024
- Brick #A03623 ΔE 0.034
- Rust Brown #8B3103 ΔE 0.035
- Russet #A13905 ΔE 0.035
- Red Brown #8B2E16 ΔE 0.038
- Brown Red #922B05 ΔE 0.038
- Burnt Umber #A0450E ΔE 0.040
- Milk Chocolate #7F4E1E ΔE 0.048
Use #903F23 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.