#631135
Closest named color: Burgundy (#610023). oklch(33.7% 0.118 359.6), rgb(99, 17, 53).
Aa
White text reads best on this color (12.63:1).
About this color
#631135 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.118 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.032 away. White text reads best on it, at 12.63:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #631135 |
| RGB | rgb(99, 17, 53) |
| HSL | hsl(334, 71%, 23%) |
| OKLCH | oklch(33.7% 0.118 359.6) |
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 #631135 | 12.63:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #631135 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #631135 text on white | 12.63:1 | AAA | Lc 97.5 | Preferred for body text |
| #631135 text on black | 1.66:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F6CCD8
oklch(88.5% 0.05 359.1)
-
Step 300
300
#F1A9BF
oklch(81% 0.089 359.3)
-
Step 400
400
#E6789E
oklch(70.7% 0.141 359.4)
-
Step 500
500
#DB4F86
oklch(63.1% 0.181 359.4)
-
Step 600
600
#C62B6F
oklch(55.6% 0.196 359.8)
-
Step 700
700
#AB1A5D
oklch(49.1% 0.183 359.7)
-
Step 800
800
#8B1A4C
oklch(42.7% 0.152 359.7)
-
Step 900
900 (this color)
#631135
oklch(33.7% 0.118 359.6)
-
Step 950
950
#421325
oklch(27% 0.075 359.7)
#631135 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) | #242936 | 0.133 |
| Deuteranopia (no green cones) | #3A3933 | 0.120 |
| Tritanopia (no blue cones) | #6C0221 | 0.036 |
| Achromatopsia (no color) | #333333 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631135
#631135
oklch(33.7% 0.118 359.6)
- #004138
#004138
oklch(33.6% 0.061 179.8)
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 #631135, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.032
- Merlot #730039 ΔE 0.036
- Claret #680018 ΔE 0.044
- Grape Purple #5D1451 ΔE 0.052
- Bordeaux #7B002C ΔE 0.054
- Wine Red #7B0323 ΔE 0.060
- Velvet #750851 ΔE 0.061
- Wine #80013F ΔE 0.064
Use #631135 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.