#631722
Closest named color: Claret (#680018). oklch(33.7% 0.108 17.2), rgb(99, 23, 34).
Aa
White text reads best on this color (12.52:1).
About this color
#631722 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.108 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.026 away. White text reads best on it, at 12.52:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.67:1 |
| White text | 12.52:1 |
Values
| HEX | #631722 |
| RGB | rgb(99, 23, 34) |
| HSL | hsl(351, 62%, 24%) |
| OKLCH | oklch(33.7% 0.108 17.2) |
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 #631722 | 12.52:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #631722 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #631722 text on white | 12.52:1 | AAA | Lc 97.5 | Preferred for body text |
| #631722 text on black | 1.67:1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F6CECE
oklch(88.6% 0.045 18)
-
Step 300
300
#F0ACAE
oklch(80.9% 0.08 17)
-
Step 400
400
#E67D83
oklch(70.8% 0.13 17.3)
-
Step 500
500
#DB5764
oklch(63.1% 0.165 17.3)
-
Step 600
600
#C6364B
oklch(55.6% 0.18 17.3)
-
Step 700
700
#AB273D
oklch(49.2% 0.167 17.1)
-
Step 800
800
#8B2332
oklch(42.8% 0.138 17.4)
-
Step 900
900 (this color)
#631722
oklch(33.7% 0.108 17.2)
-
Step 950
950
#42161A
oklch(27.1% 0.068 17.4)
#631722 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) | #2C2922 | 0.118 |
| Deuteranopia (no green cones) | #3F3920 | 0.108 |
| Tritanopia (no blue cones) | #6D021C | 0.027 |
| Achromatopsia (no color) | #343434 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631722
#631722
oklch(33.7% 0.108 17.2)
- #004041
#004041
oklch(33.7% 0.057 196.5)
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 #631722, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.026
- Burgundy #610023 ΔE 0.032
- Reddy Brown #6E1005 ΔE 0.037
- Blood #770001 ΔE 0.051
- Wine Red #7B0323 ΔE 0.052
- Bordeaux #7B002C ΔE 0.056
- Merlot #730039 ΔE 0.057
- Maroon #800000 ΔE 0.067
Use #631722 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.