#631948
Closest named color: Grape Purple (#5D1451). oklch(35.2% 0.118 345.9), rgb(99, 25, 72).
Aa
White text reads best on this color (11.91:1).
About this color
#631948 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.118 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.026 away. White text reads best on it, at 11.91:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.76:1 |
| White text | 11.91:1 |
Values
| HEX | #631948 |
| RGB | rgb(99, 25, 72) |
| HSL | hsl(322, 60%, 24%) |
| OKLCH | oklch(35.2% 0.118 345.9) |
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 #631948 | 11.91:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #631948 | 1.76:1 | Fails | Lc 7.5 | Not readable |
| #631948 text on white | 11.91:1 | AAA | Lc 96.4 | Preferred for body text |
| #631948 text on black | 1.76:1 | 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
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F2CDE0
oklch(88.5% 0.048 345.8)
-
Step 300
300
#EBAACD
oklch(80.9% 0.088 345.7)
-
Step 400
400
#DE7AB3
oklch(70.7% 0.141 346)
-
Step 500
500
#D253A1
oklch(63.2% 0.181 345.7)
-
Step 600
600
#BD318B
oklch(55.6% 0.196 346)
-
Step 700
700
#A32176
oklch(49.1% 0.183 346.1)
-
Step 800
800
#841F60
oklch(42.7% 0.151 346)
-
Step 900
900 (this color)
#631948
oklch(35.2% 0.118 345.9)
-
Step 950
950
#3F142E
oklch(27% 0.076 346.1)
#631948 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) | #222F49 | 0.130 |
| Deuteranopia (no green cones) | #383C46 | 0.116 |
| Tritanopia (no blue cones) | #6A172E | 0.048 |
| Achromatopsia (no color) | #373737 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631948
#631948
oklch(35.2% 0.118 345.9)
- #004732
#004732
oklch(35.3% 0.073 165.7)
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 #631948, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.026
- Velvet #750851 ΔE 0.043
- Merlot #730039 ΔE 0.044
- Rich Purple #720058 ΔE 0.048
- Burgundy #610023 ΔE 0.063
- Wine #80013F ΔE 0.064
- Red Purple #820747 ΔE 0.066
- Plum Purple #4E0550 ΔE 0.066
Use #631948 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.