#630D39
Closest named color: Merlot (#730039). oklch(33.5% 0.124 355.7), rgb(99, 13, 57).
Aa
White text reads best on this color (12.74:1).
About this color
#630D39 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.124 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.035 away. White text reads best on it, at 12.74:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.64:1 |
| White text | 12.74:1 |
Values
| HEX | #630D39 |
| RGB | rgb(99, 13, 57) |
| HSL | hsl(329, 77%, 22%) |
| OKLCH | oklch(33.5% 0.124 355.7) |
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 #630D39 | 12.74:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #630D39 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #630D39 text on white | 12.74:1 | AAA | Lc 97.5 | Preferred for body text |
| #630D39 text on black | 1.64:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F6CCDA
oklch(88.5% 0.051 356.2)
-
Step 300
300
#F1A8C3
oklch(80.9% 0.092 355.5)
-
Step 400
400
#E776A4
oklch(70.8% 0.148 355.8)
-
Step 500
500
#DC4B8E
oklch(63.1% 0.19 355.5)
-
Step 600
600
#C72478
oklch(55.6% 0.206 355.6)
-
Step 700
700
#AC1265
oklch(49.2% 0.192 355.7)
-
Step 800
800
#8B1652
oklch(42.6% 0.158 355.7)
-
Step 900
900 (this color)
#630D39
oklch(33.5% 0.124 355.7)
-
Step 950
950
#421228
oklch(27% 0.078 355.3)
#630D39 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) | #21283A | 0.139 |
| Deuteranopia (no green cones) | #383837 | 0.124 |
| Tritanopia (no blue cones) | #6C0022 | 0.042 |
| Achromatopsia (no color) | #323232 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #630D39
#630D39
oklch(33.5% 0.124 355.7)
- #004135
#004135
oklch(33.5% 0.063 175.4)
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 #630D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.035
- Burgundy #610023 ΔE 0.036
- Grape Purple #5D1451 ΔE 0.044
- Claret #680018 ΔE 0.052
- Velvet #750851 ΔE 0.055
- Bordeaux #7B002C ΔE 0.058
- Rich Purple #720058 ΔE 0.063
- Wine #80013F ΔE 0.064
Use #630D39 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.