#255F83
Closest named color: Light Navy Blue (#2E5A88). oklch(46.4% 0.084 239.5), rgb(37, 95, 131).
Aa
White text reads best on this color (6.90:1).
About this color
#255F83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.084 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.020 away. White text reads best on it, at 6.90:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #255F83 |
| RGB | rgb(37, 95, 131) |
| HSL | hsl(203, 56%, 33%) |
| OKLCH | oklch(46.4% 0.084 239.5) |
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 #255F83 | 6.90:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #255F83 | 3.04:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #255F83 text on white | 6.90:1 | AA | Lc 83.6 | Fine for body text |
| #255F83 text on black | 3.04:1 | AA large text | Lc -18.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400
#7BA7C5
oklch(70.8% 0.065 238.7)
-
Step 500
500
#5890B6
oklch(63% 0.082 239.6)
-
Step 600
600
#3C7AA2
oklch(55.6% 0.089 239.4)
-
Step 700
700 (this color)
#255F83
oklch(46.4% 0.084 239.5)
-
Step 800
800
#275471
oklch(42.8% 0.069 239.4)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#255F83 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) | #4E5F85 | 0.045 |
| Deuteranopia (no green cones) | #415682 | 0.036 |
| Tritanopia (no blue cones) | #00686B | 0.058 |
| Achromatopsia (no color) | #5A5A5A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255F83
#255F83
oklch(46.4% 0.084 239.5)
- #7B4D24
#7B4D24
oklch(46.4% 0.083 60)
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 #255F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.020
- Denim #3B638C ΔE 0.029
- YInMn Blue #415A77 ΔE 0.032
- Peacock Blue #016795 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.041
- Dusk Blue #26538D ΔE 0.043
- Dusky Blue #475F94 ΔE 0.047
Use #255F83 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.