#630821
Closest named color: Burgundy (#610023). oklch(32.4% 0.121 13.4), rgb(99, 8, 33).
Aa
White text reads best on this color (13.23:1).
About this color
#630821 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.121 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.013 away. White text reads best on it, at 13.23:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #630821 |
| RGB | rgb(99, 8, 33) |
| HSL | hsl(344, 85%, 21%) |
| OKLCH | oklch(32.4% 0.121 13.4) |
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 #630821 | 13.23:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #630821 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #630821 text on white | 13.23:1 | AAA | Lc 98.1 | Preferred for body text |
| #630821 text on black | 1.58:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E5
oklch(93.6% 0.026 11.9)
-
Step 200
200
#F9CCCF
oklch(88.5% 0.051 13.7)
-
Step 300
300
#F5A9AF
oklch(80.9% 0.09 14.1)
-
Step 400
400
#EC7786
oklch(70.7% 0.145 13.5)
-
Step 500
500
#E24C68
oklch(63% 0.186 13.3)
-
Step 600
600
#CE244F
oklch(55.7% 0.202 13.7)
-
Step 700
700
#B11140
oklch(49% 0.188 13.4)
-
Step 800
800
#901535
oklch(42.7% 0.156 13.4)
-
Step 900
900 (this color)
#630821
oklch(32.4% 0.121 13.4)
-
Step 950
950
#44121B
oklch(26.9% 0.077 13.3)
#630821 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) | #252421 | 0.136 |
| Deuteranopia (no green cones) | #3B361F | 0.123 |
| Tritanopia (no blue cones) | #6D0014 | 0.027 |
| Achromatopsia (no color) | #303030 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #630821
#630821
oklch(32.4% 0.121 13.4)
- #003D3C
#003D3C
oklch(32.6% 0.056 192.9)
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 #630821, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.013
- Claret #680018 ΔE 0.016
- Reddy Brown #6E1005 ΔE 0.046
- Merlot #730039 ΔE 0.052
- Wine Red #7B0323 ΔE 0.054
- Blood #770001 ΔE 0.055
- Bordeaux #7B002C ΔE 0.056
- Maroon #800000 ΔE 0.073
Use #630821 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.