#623989
Closest named color: Rebecca Purple (#663399). oklch(43.3% 0.131 305.2), rgb(98, 57, 137).
Aa
White text reads best on this color (8.51:1).
About this color
#623989 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.131 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 8.51:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #623989 |
| RGB | rgb(98, 57, 137) |
| HSL | hsl(271, 41%, 38%) |
| OKLCH | oklch(43.3% 0.131 305.2) |
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 #623989 | 8.51:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #623989 | 2.46:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #623989 text on white | 8.51:1 | AAA | Lc 89.0 | Fine for body text |
| #623989 text on black | 2.46:1 | Fails | Lc -13.2 | 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
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D3F0
oklch(88.6% 0.042 305.8)
-
Step 300
300
#CCB5E9
oklch(81% 0.076 304.9)
-
Step 400
400
#B38CDE
oklch(70.7% 0.123 305.3)
-
Step 500
500
#A06DD4
oklch(63.1% 0.156 305.2)
-
Step 600
600
#8B52C1
oklch(55.5% 0.17 305.2)
-
Step 700
700
#7642A7
oklch(49% 0.159 305)
-
Step 800
800 (this color)
#623989
oklch(43.3% 0.131 305.2)
-
Step 900
900
#4F316C
oklch(37.8% 0.101 305.6)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#623989 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) | #1A4B8C | 0.104 |
| Deuteranopia (no green cones) | #2A4D87 | 0.094 |
| Tritanopia (no blue cones) | #5B485B | 0.095 |
| Achromatopsia (no color) | #4D4D4D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #623989
#623989
oklch(43.3% 0.131 305.2)
- #435A00
#435A00
oklch(43.3% 0.109 124.9)
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 #623989, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.055
- Twilight #4E518B ΔE 0.067
- Dusk #4E5481 ΔE 0.079
- Light Eggplant #894585 ΔE 0.085
- Purple #800080 ΔE 0.090
- Chrysanthemum #560BAD ΔE 0.095
Use #623989 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.