#5255A6
Closest named color: Twilight (#4E518B). oklch(48.8% 0.127 279), rgb(82, 85, 166).
Aa
White text reads best on this color (6.54:1).
About this color
#5255A6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.127 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.044 away. White text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.20:1 |
| White text | 6.54:1 |
Values
| HEX | #5255A6 |
| RGB | rgb(82, 85, 166) |
| HSL | hsl(238, 34%, 49%) |
| OKLCH | oklch(48.8% 0.127 279) |
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 #5255A6 | 6.54:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #5255A6 | 3.20:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #5255A6 text on white | 6.54:1 | AA | Lc 82.2 | Fine for body text |
| #5255A6 text on black | 3.20:1 | AA large text | Lc -19.7 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B7BDE9
oklch(80.8% 0.062 278.8)
-
Step 400
400
#939ADD
oklch(70.6% 0.098 279)
-
Step 500
500
#7A80D4
oklch(63.2% 0.126 279.1)
-
Step 600
600
#6468C1
oklch(55.7% 0.136 279.1)
-
Step 700
700 (this color)
#5255A6
oklch(48.8% 0.127 279)
-
Step 800
800
#444787
oklch(42.8% 0.104 279)
-
Step 900
900
#393C6C
oklch(37.8% 0.081 279)
-
Step 950
950
#21233F
oklch(26.9% 0.052 279.2)
#5255A6 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) | #3161A9 | 0.046 |
| Deuteranopia (no green cones) | #295AA4 | 0.048 |
| Tritanopia (no blue cones) | #316675 | 0.111 |
| Achromatopsia (no color) | #5D5D5D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5255A6
#5255A6
oklch(48.8% 0.127 279)
- #6E6000
#6E6000
oklch(48.8% 0.101 99.3)
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 #5255A6, closest first.
No curated palette has a color within ΔE 0.04 of #5255A6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.044
- Dusky Blue #475F94 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.049
- Iris #6258C4 ΔE 0.054
- French Blue #436BAD ΔE 0.059
- Dusk #4E5481 ΔE 0.061
- Blueberry #464196 ΔE 0.061
- Mid Blue #276AB3 ΔE 0.066
Use #5255A6 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.