#621D75
Closest named color: Grape Purple (#5D1451). oklch(38.2% 0.15 318), rgb(98, 29, 117).
Aa
White text reads best on this color (10.75:1).
About this color
#621D75 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.150 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.063 away. White text reads best on it, at 10.75:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.95:1 |
| White text | 10.75:1 |
Values
| HEX | #621D75 |
| RGB | rgb(98, 29, 117) |
| HSL | hsl(287, 60%, 29%) |
| OKLCH | oklch(38.2% 0.15 318) |
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 #621D75 | 10.75:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #621D75 | 1.95:1 | Fails | Lc 9.9 | Not readable |
| #621D75 text on white | 10.75:1 | AAA | Lc 94.0 | Preferred for body text |
| #621D75 text on black | 1.95:1 | Fails | Lc -8.5 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F3E3F8
oklch(93.5% 0.033 318.1)
-
Step 200
200
#EBCDF4
oklch(88.5% 0.062 318.4)
-
Step 300
300
#DFA9F0
oklch(80.8% 0.113 317.9)
-
Step 400
400
#CE77E8
oklch(70.6% 0.181 318)
-
Step 500
500
#C04CE1
oklch(63.1% 0.23 317.9)
-
Step 600
600
#AC20CF
oklch(55.7% 0.251 318)
-
Step 700
700
#930BB3
oklch(49.1% 0.233 317.8)
-
Step 800
800
#781391
oklch(42.8% 0.193 318.1)
-
Step 900
900 (this color)
#621D75
oklch(38.2% 0.15 318)
-
Step 950
950
#391244
oklch(27% 0.096 318)
#621D75 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) | #003977 | 0.145 |
| Deuteranopia (no green cones) | #214073 | 0.129 |
| Tritanopia (no blue cones) | #612F47 | 0.095 |
| Achromatopsia (no color) | #3E3E3E | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621D75
#621D75
oklch(38.2% 0.15 318)
- #1D5000
#1D5000
oklch(38.1% 0.117 137.9)
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 #621D75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.063
- Rich Purple #720058 ΔE 0.065
- Purple #800080 ΔE 0.066
- Royal Purple #4B006E ΔE 0.067
- Indigo #4B0082 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.071
- Velvet #750851 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.084
Use #621D75 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.