#5B488F
Closest named color: Twilight (#4E518B). oklch(45.6% 0.113 293.8), rgb(91, 72, 143).
Aa
White text reads best on this color (7.58:1).
About this color
#5B488F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.113 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 7.58:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #5B488F |
| RGB | rgb(91, 72, 143) |
| HSL | hsl(256, 33%, 42%) |
| OKLCH | oklch(45.6% 0.113 293.8) |
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 #5B488F | 7.58:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #5B488F | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #5B488F text on white | 7.58:1 | AAA | Lc 86.2 | Fine for body text |
| #5B488F text on black | 2.76:1 | Fails | Lc -15.9 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C2B9E8
oklch(80.9% 0.066 293.6)
-
Step 400
400
#A494DC
oklch(70.8% 0.105 293.8)
-
Step 500
500
#8E77D3
oklch(63% 0.136 293.6)
-
Step 600
600
#795EC0
oklch(55.5% 0.148 293.7)
-
Step 700
700
#664DA5
oklch(49% 0.136 293.9)
-
Step 800
800 (this color)
#5B488F
oklch(45.6% 0.113 293.8)
-
Step 900
900
#45376B
oklch(37.8% 0.087 294.2)
-
Step 950
950
#28203F
oklch(26.9% 0.057 294.1)
#5B488F 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) | #2E5592 | 0.067 |
| Deuteranopia (no green cones) | #32538D | 0.063 |
| Tritanopia (no blue cones) | #4F5664 | 0.093 |
| Achromatopsia (no color) | #545454 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B488F
#5B488F
oklch(45.6% 0.113 293.8)
- #575C00
#575C00
oklch(45.5% 0.102 113.4)
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 #5B488F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Blueberry #464196 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.046
- Dusk #4E5481 ΔE 0.048
- Rebecca Purple #663399 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.064
- Dusky Blue #475F94 ΔE 0.066
- Dusty Grape #545775 ΔE 0.068
Use #5B488F 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.