#621D74
Closest named color: Grape Purple (#5D1451). oklch(38.1% 0.149 318.4), rgb(98, 29, 116).
Aa
White text reads best on this color (10.78:1).
About this color
#621D74 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.149 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 0.061 away. White text reads best on it, at 10.78:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #621D74 |
| RGB | rgb(98, 29, 116) |
| HSL | hsl(288, 60%, 28%) |
| OKLCH | oklch(38.1% 0.149 318.4) |
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 #621D74 | 10.78:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #621D74 | 1.94:1 | Fails | Lc 9.8 | Not readable |
| #621D74 text on white | 10.78:1 | AAA | Lc 94.1 | Preferred for body text |
| #621D74 text on black | 1.94:1 | 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
#DFA9EF
oklch(80.8% 0.112 318.4)
-
Step 400
400
#CE77E7
oklch(70.6% 0.179 318.4)
-
Step 500
500
#C04CE0
oklch(63.1% 0.229 318.2)
-
Step 600
600
#AC21CD
oklch(55.6% 0.249 318.5)
-
Step 700
700
#930CB2
oklch(49.1% 0.232 318.1)
-
Step 800
800
#781490
oklch(42.8% 0.191 318.4)
-
Step 900
900 (this color)
#621D74
oklch(38.1% 0.149 318.4)
-
Step 950
950
#391243
oklch(27% 0.095 318.8)
#621D74 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) | #003976 | 0.145 |
| Deuteranopia (no green cones) | #224072 | 0.128 |
| Tritanopia (no blue cones) | #622E47 | 0.092 |
| Achromatopsia (no color) | #3D3D3D | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621D74
#621D74
oklch(38.1% 0.149 318.4)
- #1B5000
#1B5000
oklch(38% 0.118 138.4)
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 #621D74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.061
- Rich Purple #720058 ΔE 0.063
- Purple #800080 ΔE 0.066
- Royal Purple #4B006E ΔE 0.067
- Indigo #4B0082 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.073
- Velvet #750851 ΔE 0.074
- Plum Purple #4E0550 ΔE 0.083
Use #621D74 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.