#623B84
Closest named color: Rebecca Purple (#663399). oklch(43.3% 0.121 306.7), rgb(98, 59, 132).
Aa
White text reads best on this color (8.47:1).
About this color
#623B84 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.121 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 8.47:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #623B84 |
| RGB | rgb(98, 59, 132) |
| HSL | hsl(272, 38%, 37%) |
| OKLCH | oklch(43.3% 0.121 306.7) |
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 #623B84 | 8.47:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #623B84 | 2.47:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #623B84 text on white | 8.47:1 | AAA | Lc 88.9 | Fine for body text |
| #623B84 text on black | 2.47:1 | Fails | Lc -13.3 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3EE
oklch(88.6% 0.039 307.2)
-
Step 300
300
#CCB5E5
oklch(80.8% 0.071 306.6)
-
Step 400
400
#B38DD8
oklch(70.7% 0.114 306.9)
-
Step 500
500
#A06FCD
oklch(63% 0.145 306.8)
-
Step 600
600
#8B55BA
oklch(55.5% 0.158 306.7)
-
Step 700
700
#7645A1
oklch(49.1% 0.147 306.3)
-
Step 800
800 (this color)
#623B84
oklch(43.3% 0.121 306.7)
-
Step 900
900
#4F3268
oklch(37.7% 0.094 307.3)
-
Step 950
950
#2E1E3D
oklch(27% 0.059 306.7)
#623B84 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) | #244B86 | 0.096 |
| Deuteranopia (no green cones) | #304D82 | 0.087 |
| Tritanopia (no blue cones) | #5D4859 | 0.088 |
| Achromatopsia (no color) | #4D4D4D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623B84
#623B84
oklch(43.3% 0.121 306.7)
- #405B00
#405B00
oklch(43.3% 0.112 126.9)
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 #623B84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.057
- Twilight #4E518B ΔE 0.063
- Dusk #4E5481 ΔE 0.073
- Light Eggplant #894585 ΔE 0.082
- Dusty Grape #545775 ΔE 0.087
- Purple #800080 ΔE 0.093
Use #623B84 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.