#623A6D
Closest named color: Dark Slate Blue (#483D8B). oklch(41.8% 0.094 318.7), rgb(98, 58, 109).
Aa
White text reads best on this color (8.95:1).
About this color
#623A6D is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.094 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.068 away. White text reads best on it, at 8.95:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #623A6D |
| RGB | rgb(98, 58, 109) |
| HSL | hsl(287, 31%, 33%) |
| OKLCH | oklch(41.8% 0.094 318.7) |
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 #623A6D | 8.95:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #623A6D | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #623A6D text on white | 8.95:1 | AAA | Lc 90.3 | Preferred for body text |
| #623A6D text on black | 2.34:1 | Fails | Lc -12.0 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE7F1
oklch(93.7% 0.016 319.4)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#D0B6D8
oklch(80.9% 0.055 318.2)
-
Step 400
400
#B88FC4
oklch(70.7% 0.088 318.5)
-
Step 500
500
#A672B5
oklch(63% 0.113 318.5)
-
Step 600
600
#915AA1
oklch(55.6% 0.122 318.3)
-
Step 700
700
#7C498A
oklch(49.1% 0.115 318.7)
-
Step 800
800 (this color)
#623A6D
oklch(41.8% 0.094 318.7)
-
Step 900
900
#52345A
oklch(37.7% 0.073 319)
-
Step 950
950
#301F35
oklch(27% 0.046 318.4)
#623A6D 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) | #32476F | 0.083 |
| Deuteranopia (no green cones) | #3D4B6C | 0.075 |
| Tritanopia (no blue cones) | #62414E | 0.061 |
| Achromatopsia (no color) | #494949 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623A6D
#623A6D
oklch(41.8% 0.094 318.7)
- #305823
#305823
oklch(41.7% 0.093 138.6)
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 #623A6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.068
- Brownish Purple #76424E ΔE 0.075
- Twilight #4E518B ΔE 0.075
- Dusk #4E5481 ΔE 0.076
- Rebecca Purple #663399 ΔE 0.077
- Purple Brown #673A3F ΔE 0.078
- Dusty Grape #545775 ΔE 0.080
- Blueberry #464196 ΔE 0.083
Use #623A6D 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.