#4B1F37
Closest named color: Burgundy (#610023). oklch(31.2% 0.074 348.4), rgb(75, 31, 55).
Aa
White text reads best on this color (13.54:1).
About this color
#4B1F37 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.074 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.063 away. White text reads best on it, at 13.54:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.55:1 |
| White text | 13.54:1 |
Values
| HEX | #4B1F37 |
| RGB | rgb(75, 31, 55) |
| HSL | hsl(327, 42%, 21%) |
| OKLCH | oklch(31.2% 0.074 348.4) |
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 #4B1F37 | 13.54:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #4B1F37 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #4B1F37 text on white | 13.54:1 | AAA | Lc 99.7 | Preferred for body text |
| #4B1F37 text on black | 1.55:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F3CDDF
oklch(88.6% 0.049 347.9)
-
Step 300
300
#ECAACA
oklch(80.9% 0.087 348.6)
-
Step 400
400
#DF7AAF
oklch(70.7% 0.139 348.5)
-
Step 500
500
#D3539C
oklch(63.1% 0.179 348.1)
-
Step 600
600
#BF3186
oklch(55.7% 0.195 348.6)
-
Step 700
700
#A42172
oklch(49.1% 0.182 348.3)
-
Step 800
800
#851F5D
oklch(42.7% 0.15 348.1)
-
Step 900
900
#6B204C
oklch(37.6% 0.117 348)
-
Step 950
950 (this color)
#4B1F37
oklch(31.2% 0.074 348.4)
#4B1F37 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) | #242938 | 0.079 |
| Deuteranopia (no green cones) | #2F3136 | 0.073 |
| Tritanopia (no blue cones) | #501E28 | 0.028 |
| Achromatopsia (no color) | #2E2E2E | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1F37
#4B1F37
oklch(31.2% 0.074 348.4)
- #003B2B
#003B2B
oklch(31.3% 0.063 168.3)
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 #4B1F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.063
- Deep Violet #490648 ΔE 0.063
- Grape Purple #5D1451 ΔE 0.064
- Eggplant Purple #430541 ΔE 0.065
- Aubergine #3D0734 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.070
- Plum Purple #4E0550 ΔE 0.070
- Dark Plum #3F012C ΔE 0.071
Use #4B1F37 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.