#63102E
Closest named color: Burgundy (#610023). oklch(33.3% 0.117 5.1), rgb(99, 16, 46).
Aa
White text reads best on this color (12.77:1).
About this color
#63102E is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.117 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.023 away. White text reads best on it, at 12.77:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.64:1 |
| White text | 12.77:1 |
Values
| HEX | #63102E |
| RGB | rgb(99, 16, 46) |
| HSL | hsl(338, 72%, 23%) |
| OKLCH | oklch(33.3% 0.117 5.1) |
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 #63102E | 12.77:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #63102E | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #63102E text on white | 12.77:1 | AAA | Lc 97.7 | Preferred for body text |
| #63102E 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F7CCD5
oklch(88.5% 0.05 4.1)
-
Step 300
300
#F2A9B9
oklch(80.9% 0.088 4.8)
-
Step 400
400
#E87895
oklch(70.7% 0.141 4.9)
-
Step 500
500
#DD507B
oklch(63.2% 0.179 5)
-
Step 600
600
#C82B64
oklch(55.6% 0.195 4.9)
-
Step 700
700
#AC1B53
oklch(49% 0.18 4.8)
-
Step 800
800
#8C1B44
oklch(42.7% 0.15 4.9)
-
Step 900
900 (this color)
#63102E
oklch(33.3% 0.117 5.1)
-
Step 950
950
#421321
oklch(26.8% 0.074 5.2)
#63102E 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) | #25282F | 0.132 |
| Deuteranopia (no green cones) | #3B382C | 0.119 |
| Tritanopia (no blue cones) | #6C001D | 0.031 |
| Achromatopsia (no color) | #323232 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63102E
#63102E
oklch(33.3% 0.117 5.1)
- #00403A
#00403A
oklch(33.4% 0.059 184.5)
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 #63102E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.023
- Claret #680018 ΔE 0.033
- Merlot #730039 ΔE 0.040
- Bordeaux #7B002C ΔE 0.052
- Wine Red #7B0323 ΔE 0.055
- Reddy Brown #6E1005 ΔE 0.058
- Grape Purple #5D1451 ΔE 0.063
- Blood #770001 ΔE 0.066
Use #63102E 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.