#5D1903
Closest named color: Reddy Brown (#6E1005). oklch(32.3% 0.104 37.1), rgb(93, 25, 3).
Aa
White text reads best on this color (13.07:1).
About this color
#5D1903 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.104 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.038 away. White text reads best on it, at 13.07:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.60:1 |
| White text | 13.07:1 |
Values
| HEX | #5D1903 |
| RGB | rgb(93, 25, 3) |
| HSL | hsl(15, 94%, 19%) |
| OKLCH | oklch(32.3% 0.104 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 #5D1903 | 13.07:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #5D1903 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #5D1903 text on white | 13.07:1 | AAA | Lc 98.5 | Preferred for body text |
| #5D1903 text on black | 1.60:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DA
oklch(93.6% 0.033 38.6)
-
Step 200
200
#FFCCBC
oklch(88.6% 0.062 38.1)
-
Step 300
300
#FFA78D
oklch(80.9% 0.111 37.2)
-
Step 400
400
#FF6C40
oklch(70.7% 0.189 37.1)
-
Step 500
500
#EC4700
oklch(63% 0.21 37.1)
-
Step 600
600
#C83B00
oklch(55.7% 0.186 37.1)
-
Step 700
700
#A93000
oklch(49.1% 0.164 37)
-
Step 800
800
#8C2600
oklch(42.7% 0.143 37)
-
Step 900
900
#751F00
oklch(37.6% 0.125 37.3)
-
Step 950
950 (this color)
#5D1903
oklch(32.3% 0.104 37.1)
#5D1903 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) | #2D2700 | 0.107 |
| Deuteranopia (no green cones) | #3E3600 | 0.095 |
| Tritanopia (no blue cones) | #670215 | 0.042 |
| Achromatopsia (no color) | #313131 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D1903
#5D1903
oklch(32.3% 0.104 37.1)
- #003A47
#003A47
oklch(32.2% 0.058 218.4)
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 #5D1903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.038
- Claret #680018 ΔE 0.047
- Blood #770001 ΔE 0.058
- Burgundy #610023 ΔE 0.059
- Chestnut #742802 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.065
- Mahogany #4A0100 ΔE 0.067
- Maroon #800000 ΔE 0.076
Use #5D1903 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.