#903519
Closest named color: Brown Red (#922B05). oklch(45.5% 0.13 37.1), rgb(144, 53, 25).
Aa
White text reads best on this color (7.75:1).
About this color
#903519 is a medium-dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.130 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Red (#922B05), ΔE 0.018 away. White text reads best on it, at 7.75:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Brown Red (#922B05) |
| Black text | 2.70:1 |
| White text | 7.75:1 |
Values
| HEX | #903519 |
| RGB | rgb(144, 53, 25) |
| HSL | hsl(14, 70%, 33%) |
| OKLCH | oklch(45.5% 0.13 37.1) |
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 #903519 | 7.75:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #903519 | 2.70:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #903519 text on white | 7.75:1 | AAA | Lc 86.1 | Fine for body text |
| #903519 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
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C6
oklch(88.4% 0.042 36.5)
-
Step 300
300
#EDB09E
oklch(80.9% 0.076 37.1)
-
Step 400
400
#E18469
oklch(70.7% 0.121 37)
-
Step 500
500
#D6613F
oklch(63.1% 0.156 36.9)
-
Step 600
600
#C1441B
oklch(55.6% 0.168 37.2)
-
Step 700
700
#A6340C
oklch(49% 0.156 37)
-
Step 800
800 (this color)
#903519
oklch(45.5% 0.13 37.1)
-
Step 900
900
#6D2915
oklch(37.7% 0.102 36.9)
-
Step 950
950
#40190E
oklch(27% 0.064 36.6)
#903519 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) | #4F4615 | 0.130 |
| Deuteranopia (no green cones) | #655A15 | 0.119 |
| Tritanopia (no blue cones) | #9F1E2F | 0.055 |
| Achromatopsia (no color) | #535353 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903519
#903519
oklch(45.5% 0.13 37.1)
- #006174
#006174
oklch(45.4% 0.081 217.3)
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 #903519, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Red #922B05 ΔE 0.018
- Rust Brown #8B3103 ΔE 0.018
- Red Brown #8B2E16 ΔE 0.019
- Brick #A03623 ΔE 0.035
- Burnt Red #9F2305 ΔE 0.036
- Saddle Brown #8B4513 ΔE 0.038
- Russet #A13905 ΔE 0.039
- Auburn #9B2226 ΔE 0.041
Use #903519 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.