#903243
Closest named color: Auburn (#9B2226). oklch(45.8% 0.127 12.9), rgb(144, 50, 67).
Aa
White text reads best on this color (7.71:1).
About this color
#903243 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.127 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.041 away. White text reads best on it, at 7.71:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #903243 |
| RGB | rgb(144, 50, 67) |
| HSL | hsl(349, 48%, 38%) |
| OKLCH | oklch(45.8% 0.127 12.9) |
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 #903243 | 7.71:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #903243 | 2.72:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #903243 text on white | 7.71:1 | AAA | Lc 86.0 | Fine for body text |
| #903243 text on black | 2.72:1 | Fails | Lc -16.0 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E6
oklch(93.5% 0.022 10.6)
-
Step 200
200
#F3CFD1
oklch(88.6% 0.041 14.2)
-
Step 300
300
#ECADB3
oklch(80.8% 0.074 12.5)
-
Step 400
400
#E0808C
oklch(70.7% 0.119 12.6)
-
Step 500
500
#D45C6F
oklch(63% 0.152 12.8)
-
Step 600
600
#C03E57
oklch(55.6% 0.166 13.1)
-
Step 700
700
#A52F48
oklch(49.1% 0.154 12.6)
-
Step 800
800 (this color)
#903243
oklch(45.8% 0.127 12.9)
-
Step 900
900
#6C2732
oklch(37.8% 0.099 13.5)
-
Step 950
950
#40181E
oklch(27.2% 0.063 12.9)
#903243 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) | #484743 | 0.140 |
| Deuteranopia (no green cones) | #605A41 | 0.129 |
| Tritanopia (no blue cones) | #9D2239 | 0.032 |
| Achromatopsia (no color) | #535353 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903243
#903243
oklch(45.8% 0.127 12.9)
- #006563
#006563
oklch(45.8% 0.079 192.4)
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 #903243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.041
- Brown #A52A2A ΔE 0.051
- Berry #990F4B ΔE 0.052
- Cranberry #9E003A ΔE 0.053
- Red Brown #8B2E16 ΔE 0.055
- Brick #A03623 ΔE 0.056
- Brownish Purple #76424E ΔE 0.057
- Purple Red #990147 ΔE 0.057
Use #903243 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.