#631342
Closest named color: Grape Purple (#5D1451). oklch(34.4% 0.122 349.6), rgb(99, 19, 66).
Aa
White text reads best on this color (12.33:1).
About this color
#631342 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.122 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.031 away. White text reads best on it, at 12.33:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.70:1 |
| White text | 12.33:1 |
Values
| HEX | #631342 |
| RGB | rgb(99, 19, 66) |
| HSL | hsl(325, 68%, 23%) |
| OKLCH | oklch(34.4% 0.122 349.6) |
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 #631342 | 12.33:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #631342 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #631342 text on white | 12.33:1 | AAA | Lc 97.0 | Preferred for body text |
| #631342 text on black | 1.70:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F4CCDE
oklch(88.5% 0.051 349.3)
-
Step 300
300
#EEA9C9
oklch(80.9% 0.09 349.9)
-
Step 400
400
#E277AE
oklch(70.6% 0.146 349.4)
-
Step 500
500
#D74E9A
oklch(63.1% 0.188 349.5)
-
Step 600
600
#C22A84
oklch(55.6% 0.203 349.8)
-
Step 700
700
#A71970
oklch(49.1% 0.189 349.6)
-
Step 800
800
#881A5B
oklch(42.7% 0.156 349.9)
-
Step 900
900 (this color)
#631342
oklch(34.4% 0.122 349.6)
-
Step 950
950
#40132C
oklch(26.9% 0.077 349.1)
#631342 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) | #202C43 | 0.137 |
| Deuteranopia (no green cones) | #383A40 | 0.120 |
| Tritanopia (no blue cones) | #6B0E28 | 0.048 |
| Achromatopsia (no color) | #353535 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631342
#631342
oklch(34.4% 0.122 349.6)
- #004433
#004433
oklch(34.4% 0.068 169.5)
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 #631342, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.031
- Merlot #730039 ΔE 0.038
- Velvet #750851 ΔE 0.046
- Rich Purple #720058 ΔE 0.052
- Burgundy #610023 ΔE 0.052
- Wine #80013F ΔE 0.063
- Bordeaux #7B002C ΔE 0.064
- Plum Purple #4E0550 ΔE 0.066
Use #631342 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.