#903545
Closest named color: Auburn (#9B2226). oklch(46.2% 0.123 12.7), rgb(144, 53, 69).
Aa
White text reads best on this color (7.55:1).
About this color
#903545 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.123 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.045 away. White text reads best on it, at 7.55:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.78:1 |
| White text | 7.55:1 |
Values
| HEX | #903545 |
| RGB | rgb(144, 53, 69) |
| HSL | hsl(349, 46%, 39%) |
| OKLCH | oklch(46.2% 0.123 12.7) |
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 #903545 | 7.55:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #903545 | 2.78:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #903545 text on white | 7.55:1 | AAA | Lc 85.5 | Fine for body text |
| #903545 text on black | 2.78:1 | Fails | Lc -16.5 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F5E5E6
oklch(93.5% 0.018 13.1)
-
Step 200
200
#EED1D3
oklch(88.5% 0.033 13)
-
Step 300
300
#E4B1B6
oklch(80.8% 0.06 11.9)
-
Step 400
400
#D58790
oklch(70.6% 0.096 12.3)
-
Step 500
500
#C86875
oklch(63.2% 0.122 12.6)
-
Step 600
600
#B34D5D
oklch(55.6% 0.133 12.8)
-
Step 700
700 (this color)
#903545
oklch(46.2% 0.123 12.7)
-
Step 800
800
#7D333F
oklch(42.7% 0.103 12.6)
-
Step 900
900
#652E36
oklch(37.8% 0.079 12.5)
-
Step 950
950
#3B1B1F
oklch(26.9% 0.05 13.1)
#903545 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) | #4A4945 | 0.135 |
| Deuteranopia (no green cones) | #615B43 | 0.125 |
| Tritanopia (no blue cones) | #9D273B | 0.031 |
| Achromatopsia (no color) | #545454 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903545
#903545
oklch(46.2% 0.123 12.7)
- #006665
#006665
oklch(46.2% 0.079 193.6)
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 #903545, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.045
- Brown #A52A2A ΔE 0.051
- Brownish Purple #76424E ΔE 0.054
- Brick #A03623 ΔE 0.055
- Berry #990F4B ΔE 0.056
- Red Brown #8B2E16 ΔE 0.057
- Dark Mauve #874C62 ΔE 0.057
- Cranberry #9E003A ΔE 0.057
Use #903545 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.