#255E83
Closest named color: Light Navy Blue (#2E5A88). oklch(46.2% 0.084 240.6), rgb(37, 94, 131).
Aa
White text reads best on this color (6.98:1).
About this color
#255E83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.084 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.018 away. White text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #255E83 |
| RGB | rgb(37, 94, 131) |
| HSL | hsl(204, 56%, 33%) |
| OKLCH | oklch(46.2% 0.084 240.6) |
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 #255E83 | 6.98:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #255E83 | 3.00:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #255E83 text on white | 6.98:1 | AA | Lc 83.9 | Fine for body text |
| #255E83 text on black | 3.00:1 | AA large text | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDBE7
oklch(88.4% 0.023 241.9)
-
Step 300
300
#AAC5D9
oklch(81% 0.041 240.1)
-
Step 400
400
#7CA6C6
oklch(70.6% 0.065 241.7)
-
Step 500
500
#5990B7
oklch(63.1% 0.083 240.7)
-
Step 600
600
#3C7AA3
oklch(55.6% 0.09 240.1)
-
Step 700
700 (this color)
#255E83
oklch(46.2% 0.084 240.6)
-
Step 800
800
#275472
oklch(42.8% 0.07 240.4)
-
Step 900
900
#25455C
oklch(37.7% 0.055 241.5)
-
Step 950
950
#162936
oklch(27.1% 0.035 239.7)
#255E83 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) | #4D5E85 | 0.044 |
| Deuteranopia (no green cones) | #405582 | 0.035 |
| Tritanopia (no blue cones) | #00676B | 0.058 |
| Achromatopsia (no color) | #595959 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255E83
#255E83
oklch(46.2% 0.084 240.6)
- #7A4C22
#7A4C22
oklch(46.1% 0.084 60.5)
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 #255E83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.018
- Denim #3B638C ΔE 0.030
- YInMn Blue #415A77 ΔE 0.031
- Peacock Blue #016795 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.039
- Dusk Blue #26538D ΔE 0.040
- Light Navy #155084 ΔE 0.047
Use #255E83 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.