#621E7B
Closest named color: Rebecca Purple (#663399). oklch(38.7% 0.155 315.2), rgb(98, 30, 123).
Aa
White text reads best on this color (10.54:1).
About this color
#621E7B is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.155 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.062 away. White text reads best on it, at 10.54:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #621E7B |
| RGB | rgb(98, 30, 123) |
| HSL | hsl(284, 61%, 30%) |
| OKLCH | oklch(38.7% 0.155 315.2) |
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 #621E7B | 10.54:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #621E7B | 1.99:1 | Fails | Lc 10.4 | Not readable |
| #621E7B text on white | 10.54:1 | AAA | Lc 93.6 | Preferred for body text |
| #621E7B text on black | 1.99:1 | Fails | Lc -8.9 | 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 900.
-
Step 50
50
#F9F2FD
oklch(97% 0.016 313.6)
-
Step 100
100
#F3E4FA
oklch(93.7% 0.033 315.2)
-
Step 200
200
#EACDF7
oklch(88.6% 0.065 315.4)
-
Step 300
300
#DDAAF4
oklch(81% 0.115 315.1)
-
Step 400
400
#CB77EE
oklch(70.6% 0.185 315.2)
-
Step 500
500
#BD4BE9
oklch(63.1% 0.237 315)
-
Step 600
600
#A91DD7
oklch(55.7% 0.258 315.1)
-
Step 700
700
#9103BA
oklch(49.1% 0.24 315.3)
-
Step 800
800
#761097
oklch(42.8% 0.199 315.2)
-
Step 900
900 (this color)
#621E7B
oklch(38.7% 0.155 315.2)
-
Step 950
950
#381246
oklch(27% 0.098 315.6)
#621E7B 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) | #003B7E | 0.142 |
| Deuteranopia (no green cones) | #1B4179 | 0.131 |
| Tritanopia (no blue cones) | #60324B | 0.100 |
| Achromatopsia (no color) | #3F3F3F | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621E7B
#621E7B
oklch(38.7% 0.155 315.2)
- #265100
#265100
oklch(38.8% 0.114 135.3)
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 #621E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.062
- Purple #800080 ΔE 0.065
- Indigo #4B0082 ΔE 0.067
- Royal Purple #4B006E ΔE 0.070
- Grape Purple #5D1451 ΔE 0.073
- Rich Purple #720058 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.081
- Velvet #750851 ΔE 0.085
Use #621E7B 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.