#631527
Closest named color: Claret (#680018). oklch(33.6% 0.11 12.3), rgb(99, 21, 39).
Aa
White text reads best on this color (12.59:1).
About this color
#631527 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.110 and its hue 12°. 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 12.59:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.66:1 |
| White text | 12.59:1 |
Values
| HEX | #631527 |
| RGB | rgb(99, 21, 39) |
| HSL | hsl(346, 65%, 24%) |
| OKLCH | oklch(33.6% 0.11 12.3) |
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 #631527 | 12.59:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #631527 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #631527 text on white | 12.59:1 | AAA | Lc 97.5 | Preferred for body text |
| #631527 text on black | 1.66:1 | 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
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F6CDD1
oklch(88.4% 0.047 11.4)
-
Step 300
300
#F1ABB2
oklch(80.9% 0.083 12.5)
-
Step 400
400
#E67B8A
oklch(70.6% 0.133 12.2)
-
Step 500
500
#DB556D
oklch(63.1% 0.168 12.5)
-
Step 600
600
#C73355
oklch(55.7% 0.184 12.5)
-
Step 700
700
#AB2346
oklch(49.1% 0.171 12.1)
-
Step 800
800
#8B2039
oklch(42.7% 0.142 12.4)
-
Step 900
900 (this color)
#631527
oklch(33.6% 0.11 12.3)
-
Step 950
950
#42151D
oklch(27% 0.07 12.3)
#631527 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) | #2A2927 | 0.122 |
| Deuteranopia (no green cones) | #3E3925 | 0.112 |
| Tritanopia (no blue cones) | #6D011C | 0.028 |
| Achromatopsia (no color) | #333333 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631527
#631527
oklch(33.6% 0.11 12.3)
- #00403F
#00403F
oklch(33.6% 0.058 193)
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 #631527, 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 0.027
- Reddy Brown #6E1005 ΔE 0.044
- Merlot #730039 ΔE 0.050
- Wine Red #7B0323 ΔE 0.052
- Bordeaux #7B002C ΔE 0.053
- Blood #770001 ΔE 0.056
- Maroon #800000 ΔE 0.071
Use #631527 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.