#623388
Closest named color: Rebecca Purple (#663399). oklch(42.3% 0.139 306.9), rgb(98, 51, 136).
Aa
White text reads best on this color (8.94:1).
About this color
#623388 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.139 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 0.029 away. White text reads best on it, at 8.94:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #623388 |
| RGB | rgb(98, 51, 136) |
| HSL | hsl(273, 45%, 37%) |
| OKLCH | oklch(42.3% 0.139 306.9) |
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 #623388 | 8.94:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #623388 | 2.34:1 | Fails | Lc 13.9 | Not readable |
| #623388 text on white | 8.94:1 | AAA | Lc 90.1 | Preferred for body text |
| #623388 text on black | 2.34:1 | Fails | Lc -12.2 | 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
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E1D2F1
oklch(88.5% 0.045 307.2)
-
Step 300
300
#CEB3EA
oklch(80.8% 0.081 306.9)
-
Step 400
400
#B68AE0
oklch(70.8% 0.13 306.9)
-
Step 500
500
#A46AD7
oklch(63.2% 0.166 306.8)
-
Step 600
600
#8F4EC4
oklch(55.5% 0.181 306.8)
-
Step 700
700
#7A3EA9
oklch(49.1% 0.168 307.1)
-
Step 800
800 (this color)
#623388
oklch(42.3% 0.139 306.9)
-
Step 900
900
#512F6E
oklch(37.8% 0.108 306.9)
-
Step 950
950
#2F1C40
oklch(27% 0.068 306.8)
#623388 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) | #0A488B | 0.118 |
| Deuteranopia (no green cones) | #244A86 | 0.105 |
| Tritanopia (no blue cones) | #5C4458 | 0.100 |
| Achromatopsia (no color) | #494949 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623388
#623388
oklch(42.3% 0.139 306.9)
- #3E5800
#3E5800
oklch(42.3% 0.109 126.8)
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 #623388, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.060
- Twilight #4E518B ΔE 0.079
- Purple #800080 ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.087
- Dusk #4E5481 ΔE 0.092
- Grape #7209B7 ΔE 0.092
Use #623388 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.