#574B8B
Closest named color: Twilight (#4E518B). oklch(45.5% 0.102 290.4), rgb(87, 75, 139).
Aa
White text reads best on this color (7.54:1).
About this color
#574B8B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.102 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.020 away. White text reads best on it, at 7.54:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #574B8B |
| RGB | rgb(87, 75, 139) |
| HSL | hsl(251, 30%, 42%) |
| OKLCH | oklch(45.5% 0.102 290.4) |
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 #574B8B | 7.54:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #574B8B | 2.78:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #574B8B text on white | 7.54:1 | AAA | Lc 86.1 | Fine for body text |
| #574B8B text on black | 2.78:1 | Fails | Lc -16.0 | Dividers and decoration only |
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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#C0BBE5
oklch(81% 0.059 290.5)
-
Step 400
400
#A096D8
oklch(70.6% 0.096 290.7)
-
Step 500
500
#897BCE
oklch(63.1% 0.123 290.2)
-
Step 600
600
#7463BB
oklch(55.7% 0.133 290.3)
-
Step 700
700
#6151A1
oklch(49% 0.125 290.2)
-
Step 800
800 (this color)
#574B8B
oklch(45.5% 0.102 290.4)
-
Step 900
900
#423969
oklch(37.7% 0.081 290.6)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#574B8B 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) | #35558D | 0.051 |
| Deuteranopia (no green cones) | #365389 | 0.050 |
| Tritanopia (no blue cones) | #4A5764 | 0.084 |
| Achromatopsia (no color) | #545454 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574B8B
#574B8B
oklch(45.5% 0.102 290.4)
- #5A5B00
#5A5B00
oklch(45.5% 0.1 110.5)
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 #574B8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.020
- Dusk #4E5481 ΔE 0.035
- Blueberry #464196 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.054
- Dusty Grape #545775 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.057
- Dusk Blue #26538D ΔE 0.064
Use #574B8B 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.