#255D80
Closest named color: Light Navy Blue (#2E5A88). oklch(45.8% 0.082 239.6), rgb(37, 93, 128).
Aa
White text reads best on this color (7.10:1).
About this color
#255D80 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.082 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.019 away. White text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #255D80 |
| RGB | rgb(37, 93, 128) |
| HSL | hsl(203, 55%, 32%) |
| OKLCH | oklch(45.8% 0.082 239.6) |
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 #255D80 | 7.10:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #255D80 | 2.95:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #255D80 text on white | 7.10:1 | AAA | Lc 84.4 | Fine for body text |
| #255D80 text on black | 2.95:1 | Fails | Lc -17.6 | 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 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C5DD
oklch(80.8% 0.048 240.6)
-
Step 400
400
#74A7CB
oklch(70.6% 0.076 239.9)
-
Step 500
500
#4C91BE
oklch(63% 0.097 239.4)
-
Step 600
600
#2B7BAB
oklch(55.7% 0.106 239.5)
-
Step 700
700
#1D6792
oklch(49% 0.098 239.5)
-
Step 800
800 (this color)
#255D80
oklch(45.8% 0.082 239.6)
-
Step 900
900
#1D4660
oklch(37.8% 0.064 239.4)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#255D80 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) | #4D5D82 | 0.044 |
| Deuteranopia (no green cones) | #40547F | 0.036 |
| Tritanopia (no blue cones) | #006669 | 0.057 |
| Achromatopsia (no color) | #585858 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255D80
#255D80
oklch(45.8% 0.082 239.6)
- #784B24
#784B24
oklch(45.6% 0.081 59.4)
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 #255D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.019
- YInMn Blue #415A77 ΔE 0.030
- Denim #3B638C ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.039
- Peacock Blue #016795 ΔE 0.040
- Dusk Blue #26538D ΔE 0.041
- Petrol #005F6A ΔE 0.045
Use #255D80 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.