#631448
Closest named color: Grape Purple (#5D1451). oklch(34.7% 0.125 345.2), rgb(99, 20, 72).
Aa
White text reads best on this color (12.17:1).
About this color
#631448 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.125 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.022 away. White text reads best on it, at 12.17:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.72:1 |
| White text | 12.17:1 |
Values
| HEX | #631448 |
| RGB | rgb(99, 20, 72) |
| HSL | hsl(321, 66%, 23%) |
| OKLCH | oklch(34.7% 0.125 345.2) |
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 #631448 | 12.17:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #631448 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #631448 text on white | 12.17:1 | AAA | Lc 96.7 | Preferred for body text |
| #631448 text on black | 1.72:1 | 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
#F8E3EE
oklch(93.6% 0.027 344.6)
-
Step 200
200
#F4CCE1
oklch(88.5% 0.052 345.3)
-
Step 300
300
#EDA8CE
oklch(80.8% 0.094 345.2)
-
Step 400
400
#E177B5
oklch(70.7% 0.15 345.5)
-
Step 500
500
#D54EA3
oklch(63.1% 0.191 345.2)
-
Step 600
600
#C0298E
oklch(55.6% 0.208 345.2)
-
Step 700
700
#A51979
oklch(49.1% 0.193 345)
-
Step 800
800
#861962
oklch(42.6% 0.16 345.2)
-
Step 900
900 (this color)
#631448
oklch(34.7% 0.125 345.2)
-
Step 950
950
#40132F
oklch(27.1% 0.079 345.4)
#631448 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) | #1E2D49 | 0.139 |
| Deuteranopia (no green cones) | #363A46 | 0.121 |
| Tritanopia (no blue cones) | #6A132C | 0.052 |
| Achromatopsia (no color) | #353535 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631448
#631448
oklch(34.7% 0.125 345.2)
- #004530
#004530
oklch(34.6% 0.073 165.2)
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 #631448, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.022
- Velvet #750851 ΔE 0.041
- Merlot #730039 ΔE 0.043
- Rich Purple #720058 ΔE 0.044
- Plum Purple #4E0550 ΔE 0.061
- Burgundy #610023 ΔE 0.062
- Wine #80013F ΔE 0.065
- Red Purple #820747 ΔE 0.067
Use #631448 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.