#5B243F
Closest named color: Grape Purple (#5D1451). oklch(34.9% 0.087 351.9), rgb(91, 36, 63).
Aa
White text reads best on this color (11.87:1).
About this color
#5B243F is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.087 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.050 away. White text reads best on it, at 11.87:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.76:1 |
| White text | 11.87:1 |
Values
| HEX | #5B243F |
| RGB | rgb(91, 36, 63) |
| HSL | hsl(331, 43%, 25%) |
| OKLCH | oklch(34.9% 0.087 351.9) |
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 #5B243F | 11.87:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #5B243F | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #5B243F text on white | 11.87:1 | AAA | Lc 96.8 | Preferred for body text |
| #5B243F text on black | 1.76:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EDD0DC
oklch(88.5% 0.036 350.9)
-
Step 300
300
#E3B0C5
oklch(80.9% 0.065 352.1)
-
Step 400
400
#D385A7
oklch(70.7% 0.104 352.4)
-
Step 500
500
#C56492
oklch(63.1% 0.134 351.9)
-
Step 600
600
#B0497C
oklch(55.6% 0.145 352)
-
Step 700
700
#973A69
oklch(49.1% 0.135 351.8)
-
Step 800
800
#7B3055
oklch(42.7% 0.113 352.2)
-
Step 900
900 (this color)
#5B243F
oklch(34.9% 0.087 351.9)
-
Step 950
950
#3A1A29
oklch(26.9% 0.055 351.9)
#5B243F 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) | #2B3140 | 0.096 |
| Deuteranopia (no green cones) | #3A3B3E | 0.087 |
| Tritanopia (no blue cones) | #62212E | 0.031 |
| Achromatopsia (no color) | #373737 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B243F
#5B243F
oklch(34.9% 0.087 351.9)
- #004536
#004536
oklch(34.8% 0.067 172.2)
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 #5B243F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.050
- Burgundy #610023 ΔE 0.061
- Merlot #730039 ΔE 0.061
- Purple Brown #673A3F ΔE 0.067
- Claret #680018 ΔE 0.070
- Velvet #750851 ΔE 0.072
- Bordeaux #7B002C ΔE 0.076
- Rich Purple #720058 ΔE 0.079
Use #5B243F 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.