#631020
Closest named color: Claret (#680018). oklch(33% 0.115 16.2), rgb(99, 16, 32).
Aa
White text reads best on this color (12.91:1).
About this color
#631020 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.115 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.018 away. White text reads best on it, at 12.91:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.62:1 |
| White text | 12.91:1 |
Values
| HEX | #631020 |
| RGB | rgb(99, 16, 32) |
| HSL | hsl(348, 72%, 23%) |
| OKLCH | oklch(33% 0.115 16.2) |
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 #631020 | 12.91:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #631020 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #631020 text on white | 12.91:1 | AAA | Lc 97.9 | Preferred for body text |
| #631020 text on black | 1.62:1 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F7CDCE
oklch(88.5% 0.048 16.5)
-
Step 300
300
#F3AAAD
oklch(80.8% 0.086 16.4)
-
Step 400
400
#E97A83
oklch(70.7% 0.137 16.1)
-
Step 500
500
#DF5264
oklch(63.1% 0.176 16.2)
-
Step 600
600
#CA2E4B
oklch(55.6% 0.191 16.2)
-
Step 700
700
#AF1D3C
oklch(49.2% 0.179 16.3)
-
Step 800
800
#8E1D32
oklch(42.8% 0.147 16.3)
-
Step 900
900 (this color)
#631020
oklch(33% 0.115 16.2)
-
Step 950
950
#43141A
oklch(27% 0.073 15.8)
#631020 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) | #282620 | 0.128 |
| Deuteranopia (no green cones) | #3D381E | 0.117 |
| Tritanopia (no blue cones) | #6D0017 | 0.024 |
| Achromatopsia (no color) | #313131 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631020
#631020
oklch(33% 0.115 16.2)
- #003E3F
#003E3F
oklch(33% 0.056 196.6)
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 #631020, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.018
- Burgundy #610023 ΔE 0.023
- Reddy Brown #6E1005 ΔE 0.039
- Blood #770001 ΔE 0.051
- Wine Red #7B0323 ΔE 0.053
- Merlot #730039 ΔE 0.055
- Bordeaux #7B002C ΔE 0.056
- Maroon #800000 ΔE 0.069
Use #631020 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.