#630137
Closest named color: Burgundy (#610023). oklch(32.7% 0.133 355.7), rgb(99, 1, 55).
Aa
White text reads best on this color (13.20:1).
About this color
#630137 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.133 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.034 away. White text reads best on it, at 13.20:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.59:1 |
| White text | 13.20:1 |
Values
| HEX | #630137 |
| RGB | rgb(99, 1, 55) |
| HSL | hsl(327, 98%, 20%) |
| OKLCH | oklch(32.7% 0.133 355.7) |
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 #630137 | 13.20:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #630137 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #630137 text on white | 13.20:1 | AAA | Lc 97.8 | Preferred for body text |
| #630137 text on black | 1.59:1 | 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
#FBE2EA
oklch(93.5% 0.029 356.3)
-
Step 200
200
#F8CBDA
oklch(88.5% 0.054 356.3)
-
Step 300
300
#F5A6C3
oklch(81% 0.099 355.9)
-
Step 400
400
#EB71A4
oklch(70.6% 0.16 355.7)
-
Step 500
500
#E1448E
oklch(63.1% 0.203 355.7)
-
Step 600
600
#CC1078
oklch(55.5% 0.221 355.7)
-
Step 700
700
#AF0065
oklch(49.2% 0.201 355.8)
-
Step 800
800
#8F0752
oklch(42.7% 0.17 355.9)
-
Step 900
900 (this color)
#630137
oklch(32.7% 0.133 355.7)
-
Step 950
950
#441028
oklch(27.1% 0.084 355.8)
#630137 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) | #1C2538 | 0.152 |
| Deuteranopia (no green cones) | #363635 | 0.134 |
| Tritanopia (no blue cones) | #6C001D | 0.050 |
| Achromatopsia (no color) | #303030 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #630137
#630137
oklch(32.7% 0.133 355.7)
- #003E33
#003E33
oklch(32.5% 0.061 176.2)
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 #630137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.034
- Merlot #730039 ΔE 0.037
- Grape Purple #5D1451 ΔE 0.048
- Claret #680018 ΔE 0.053
- Velvet #750851 ΔE 0.059
- Bordeaux #7B002C ΔE 0.061
- Rich Purple #720058 ΔE 0.064
- Wine #80013F ΔE 0.067
Use #630137 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.