#63274B
Closest named color: Grape Purple (#5D1451). oklch(37.1% 0.098 345.9), rgb(99, 39, 75).
Aa
White text reads best on this color (10.92:1).
About this color
#63274B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.098 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.046 away. White text reads best on it, at 10.92:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.92:1 |
| White text | 10.92:1 |
Values
| HEX | #63274B |
| RGB | rgb(99, 39, 75) |
| HSL | hsl(324, 43%, 27%) |
| OKLCH | oklch(37.1% 0.098 345.9) |
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 #63274B | 10.92:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #63274B | 1.92:1 | Fails | Lc 9.1 | Not readable |
| #63274B text on white | 10.92:1 | AAA | Lc 94.8 | Preferred for body text |
| #63274B text on black | 1.92:1 | Fails | Lc -7.8 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F5E4ED
oklch(93.5% 0.022 344.2)
-
Step 200
200
#EECFDF
oklch(88.5% 0.04 345.4)
-
Step 300
300
#E5AECB
oklch(81% 0.074 345.9)
-
Step 400
400
#D581B0
oklch(70.6% 0.118 345.9)
-
Step 500
500
#C85F9D
oklch(63.2% 0.151 345.9)
-
Step 600
600
#B34387
oklch(55.7% 0.163 346.2)
-
Step 700
700
#993473
oklch(49.1% 0.151 345.7)
-
Step 800
800
#7D2C5D
oklch(42.8% 0.126 346.4)
-
Step 900
900 (this color)
#63274B
oklch(37.1% 0.098 345.9)
-
Step 950
950
#3B182D
oklch(26.9% 0.063 345.2)
#63274B 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) | #2D364C | 0.105 |
| Deuteranopia (no green cones) | #3D404A | 0.095 |
| Tritanopia (no blue cones) | #692635 | 0.040 |
| Achromatopsia (no color) | #3D3D3D | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63274B
#63274B
oklch(37.1% 0.098 345.9)
- #004D36
#004D36
oklch(37.2% 0.078 165.2)
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 #63274B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.046
- Velvet #750851 ΔE 0.055
- Merlot #730039 ΔE 0.058
- Purple Brown #673A3F ΔE 0.061
- Rich Purple #720058 ΔE 0.063
- Wine #80013F ΔE 0.069
- Red Purple #820747 ΔE 0.069
- Bordeaux #7B002C ΔE 0.073
Use #63274B 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.