#623A7F
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.117 309.1), rgb(98, 58, 127).
Aa
White text reads best on this color (8.63:1).
About this color
#623A7F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.117 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.047 away. White text reads best on it, at 8.63:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #623A7F |
| RGB | rgb(98, 58, 127) |
| HSL | hsl(275, 37%, 36%) |
| OKLCH | oklch(42.8% 0.117 309.1) |
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 #623A7F | 8.63:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #623A7F | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #623A7F text on white | 8.63:1 | AAA | Lc 89.4 | Fine for body text |
| #623A7F text on black | 2.43:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F4
oklch(93.7% 0.019 309.8)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CEB5E3
oklch(80.9% 0.069 309.4)
-
Step 400
400
#B58DD4
oklch(70.7% 0.11 309.6)
-
Step 500
500
#A26FC9
oklch(63% 0.14 309)
-
Step 600
600
#8D56B5
oklch(55.6% 0.151 309)
-
Step 700
700
#78459C
oklch(49% 0.142 309.2)
-
Step 800
800 (this color)
#623A7F
oklch(42.8% 0.117 309.1)
-
Step 900
900
#503266
oklch(37.7% 0.092 309.3)
-
Step 950
950
#2F1E3C
oklch(27.1% 0.058 309.1)
#623A7F 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) | #264A81 | 0.095 |
| Deuteranopia (no green cones) | #334C7D | 0.085 |
| Tritanopia (no blue cones) | #5E4657 | 0.082 |
| Achromatopsia (no color) | #4C4C4C | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623A7F
#623A7F
oklch(42.8% 0.117 309.1)
- #3B5A00
#3B5A00
oklch(42.7% 0.113 129)
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 #623A7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.062
- Twilight #4E518B ΔE 0.066
- Dusk #4E5481 ΔE 0.074
- Light Eggplant #894585 ΔE 0.083
- Dusty Grape #545775 ΔE 0.087
- Purple #800080 ΔE 0.092
Use #623A7F 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.