#255C8D
Closest named color: Light Navy Blue (#2E5A88). oklch(46.3% 0.099 248.6), rgb(37, 92, 141).
Aa
White text reads best on this color (7.01:1).
About this color
#255C8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.099 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.011 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #255C8D |
| RGB | rgb(37, 92, 141) |
| HSL | hsl(208, 58%, 35%) |
| OKLCH | oklch(46.3% 0.099 248.6) |
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 #255C8D | 7.01:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #255C8D | 2.99:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #255C8D text on white | 7.01:1 | AAA | Lc 84.0 | Fine for body text |
| #255C8D text on black | 2.99:1 | Fails | Lc -18.0 | 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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DF
oklch(80.9% 0.048 248.4)
-
Step 400
400
#7BA5CE
oklch(70.7% 0.076 248.3)
-
Step 500
500
#588EC2
oklch(63.1% 0.098 248.7)
-
Step 600
600
#3C77AE
oklch(55.5% 0.106 248.8)
-
Step 700
700 (this color)
#255C8D
oklch(46.3% 0.099 248.6)
-
Step 800
800
#275279
oklch(42.7% 0.081 248.2)
-
Step 900
900
#254462
oklch(37.7% 0.064 249.1)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#255C8D 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) | #465E8F | 0.036 |
| Deuteranopia (no green cones) | #37558C | 0.024 |
| Tritanopia (no blue cones) | #00686E | 0.073 |
| Achromatopsia (no color) | #595959 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255C8D
#255C8D
oklch(46.3% 0.099 248.6)
- #7C4D06
#7C4D06
oklch(46.3% 0.098 68.8)
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 #255C8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.011
- Denim Blue #3B5B92 ΔE 0.023
- Dusk Blue #26538D ΔE 0.027
- Denim #3B638C ΔE 0.032
- Peacock Blue #016795 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.040
- Light Navy #155084 ΔE 0.041
Use #255C8D 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.