#5B2123
Closest named color: Claret (#680018). oklch(33.5% 0.085 20.9), rgb(91, 33, 35).
Aa
White text reads best on this color (12.45:1).
About this color
#5B2123 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.085 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.047 away. White text reads best on it, at 12.45:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.68:1 |
| White text | 12.45:1 |
Values
| HEX | #5B2123 |
| RGB | rgb(91, 33, 35) |
| HSL | hsl(358, 47%, 24%) |
| OKLCH | oklch(33.5% 0.085 20.9) |
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 #5B2123 | 12.45:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #5B2123 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #5B2123 text on white | 12.45:1 | AAA | Lc 97.8 | Preferred for body text |
| #5B2123 text on black | 1.68:1 | 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 900.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D0CF
oklch(88.4% 0.036 20)
-
Step 300
300
#E7B1AF
oklch(80.9% 0.063 21)
-
Step 400
400
#D98685
oklch(70.7% 0.102 20.7)
-
Step 500
500
#CD6567
oklch(63.1% 0.132 20.4)
-
Step 600
600
#B84A4E
oklch(55.6% 0.143 20.8)
-
Step 700
700
#9E3B3F
oklch(49.2% 0.132 21)
-
Step 800
800
#803134
oklch(42.6% 0.11 20.7)
-
Step 900
900 (this color)
#5B2123
oklch(33.5% 0.085 20.9)
-
Step 950
950
#3D1B1B
oklch(27.1% 0.053 21.2)
#5B2123 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) | #2F2C23 | 0.092 |
| Deuteranopia (no green cones) | #3E3922 | 0.085 |
| Tritanopia (no blue cones) | #641722 | 0.024 |
| Achromatopsia (no color) | #343434 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2123
#5B2123
oklch(33.5% 0.085 20.9)
- #003F43
#003F43
oklch(33.5% 0.057 201.9)
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 #5B2123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.047
- Reddy Brown #6E1005 ΔE 0.049
- Burgundy #610023 ΔE 0.050
- Blood #770001 ΔE 0.067
- Chestnut #742802 ΔE 0.069
- Wine Red #7B0323 ΔE 0.071
- Purple Brown #673A3F ΔE 0.074
- Bordeaux #7B002C ΔE 0.076
Use #5B2123 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.