#255C88
Closest named color: Light Navy Blue (#2E5A88). oklch(46% 0.092 245.9), rgb(37, 92, 136).
Aa
White text reads best on this color (7.08:1).
About this color
#255C88 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.092 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.009 away. White text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #255C88 |
| RGB | rgb(37, 92, 136) |
| HSL | hsl(207, 57%, 34%) |
| OKLCH | oklch(46% 0.092 245.9) |
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 #255C88 | 7.08:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #255C88 | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #255C88 text on white | 7.08:1 | AAA | Lc 84.3 | Fine for body text |
| #255C88 text on black | 2.96:1 | Fails | Lc -17.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#AAC4DC
oklch(80.9% 0.044 246.2)
-
Step 400
400
#7CA6CB
oklch(70.8% 0.071 245.6)
-
Step 500
500
#598FBD
oklch(63.1% 0.09 245.6)
-
Step 600
600
#3D78AA
oklch(55.6% 0.1 246.4)
-
Step 700
700 (this color)
#255C88
oklch(46% 0.092 245.9)
-
Step 800
800
#285376
oklch(42.8% 0.076 245.4)
-
Step 900
900
#25445F
oklch(37.6% 0.059 246.5)
-
Step 950
950
#162838
oklch(26.9% 0.038 246.6)
#255C88 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) | #485E8A | 0.038 |
| Deuteranopia (no green cones) | #3A5487 | 0.029 |
| Tritanopia (no blue cones) | #00676C | 0.068 |
| Achromatopsia (no color) | #585858 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255C88
#255C88
oklch(46% 0.092 245.9)
- #7A4C14
#7A4C14
oklch(45.9% 0.092 66.1)
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 #255C88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.009
- Denim Blue #3B5B92 ΔE 0.028
- Dusk Blue #26538D ΔE 0.030
- Denim #3B638C ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.034
- Peacock Blue #016795 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.037
- Light Navy #155084 ΔE 0.040
Use #255C88 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.