#632D8E
Closest named color: Rebecca Purple (#663399). oklch(42% 0.155 306.4), rgb(99, 45, 142).
Aa
White text reads best on this color (9.14:1).
About this color
#632D8E is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.155 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.022 away. White text reads best on it, at 9.14:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #632D8E |
| RGB | rgb(99, 45, 142) |
| HSL | hsl(273, 52%, 37%) |
| OKLCH | oklch(42% 0.155 306.4) |
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 #632D8E | 9.14:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #632D8E | 2.29:1 | Fails | Lc 13.5 | Not readable |
| #632D8E text on white | 9.14:1 | AAA | Lc 90.4 | Preferred for body text |
| #632D8E text on black | 2.29:1 | Fails | Lc -11.9 | 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 800.
-
Step 50
50
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D1F4
oklch(88.4% 0.05 306)
-
Step 300
300
#CFB2EF
oklch(80.9% 0.09 306.1)
-
Step 400
400
#B887E7
oklch(70.8% 0.144 306.6)
-
Step 500
500
#A664E0
oklch(63% 0.186 306.4)
-
Step 600
600
#9247CE
oklch(55.6% 0.202 306.4)
-
Step 700
700
#7C37B2
oklch(49.1% 0.188 306.3)
-
Step 800
800 (this color)
#632D8E
oklch(42% 0.155 306.4)
-
Step 900
900
#522B73
oklch(37.6% 0.122 306.4)
-
Step 950
950
#301A43
oklch(26.9% 0.077 306.7)
#632D8E 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) | #004691 | 0.127 |
| Deuteranopia (no green cones) | #13488C | 0.121 |
| Tritanopia (no blue cones) | #5C4259 | 0.111 |
| Achromatopsia (no color) | #484848 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #632D8E
#632D8E
oklch(42% 0.155 306.4)
- #3E5700
#3E5700
oklch(42.1% 0.108 126.4)
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 #632D8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.022
- Dark Slate Blue #483D8B ΔE 0.058
- Blueberry #464196 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.073
- Purple #800080 ΔE 0.076
- Grape #7209B7 ΔE 0.078
- Indigo #4B0082 ΔE 0.086
- Imperial Purple #480CA8 ΔE 0.087
Use #632D8E 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.