#621F74
Closest named color: Grape Purple (#5D1451). oklch(38.3% 0.147 318.3), rgb(98, 31, 116).
Aa
White text reads best on this color (10.67:1).
About this color
#621F74 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.147 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 0.062 away. White text reads best on it, at 10.67:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #621F74 |
| RGB | rgb(98, 31, 116) |
| HSL | hsl(287, 58%, 29%) |
| OKLCH | oklch(38.3% 0.147 318.3) |
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 #621F74 | 10.67:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #621F74 | 1.96:1 | Fails | Lc 10.0 | Not readable |
| #621F74 text on white | 10.67:1 | AAA | Lc 93.9 | Preferred for body text |
| #621F74 text on black | 1.96:1 | Fails | Lc -8.6 | 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
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F8
oklch(93.7% 0.031 317.7)
-
Step 200
200
#EBCDF4
oklch(88.5% 0.062 318.4)
-
Step 300
300
#DFAAEF
oklch(81% 0.11 318.2)
-
Step 400
400
#CD78E6
oklch(70.6% 0.176 318.2)
-
Step 500
500
#BF4EDF
oklch(63.1% 0.225 318)
-
Step 600
600
#AB25CC
oklch(55.6% 0.245 318.3)
-
Step 700
700
#9212B1
oklch(49% 0.228 317.9)
-
Step 800
800
#77178F
oklch(42.7% 0.188 318.2)
-
Step 900
900 (this color)
#621F74
oklch(38.3% 0.147 318.3)
-
Step 950
950
#381343
oklch(26.9% 0.093 317.7)
#621F74 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) | #003A76 | 0.143 |
| Deuteranopia (no green cones) | #234072 | 0.125 |
| Tritanopia (no blue cones) | #622F47 | 0.092 |
| Achromatopsia (no color) | #3E3E3E | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #621F74
#621F74
oklch(38.3% 0.147 318.3)
- #1C5100
#1C5100
oklch(38.4% 0.119 138.2)
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 #621F74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.062
- Rich Purple #720058 ΔE 0.064
- Purple #800080 ΔE 0.067
- Royal Purple #4B006E ΔE 0.070
- Rebecca Purple #663399 ΔE 0.071
- Indigo #4B0082 ΔE 0.072
- Velvet #750851 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.084
Use #621F74 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.