#255E7D
Closest named color: Light Navy Blue (#2E5A88). oklch(45.9% 0.078 235.9), rgb(37, 94, 125).
Aa
White text reads best on this color (7.05:1).
About this color
#255E7D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.078 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.026 away. White text reads best on it, at 7.05:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #255E7D |
| RGB | rgb(37, 94, 125) |
| HSL | hsl(201, 54%, 32%) |
| OKLCH | oklch(45.9% 0.078 235.9) |
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 #255E7D | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #255E7D | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #255E7D text on white | 7.05:1 | AAA | Lc 84.2 | Fine for body text |
| #255E7D text on black | 2.97:1 | Fails | Lc -17.8 | 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
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DA
oklch(80.9% 0.045 234.7)
-
Step 400
400
#74A8C8
oklch(70.7% 0.072 236.2)
-
Step 500
500
#4C92BA
oklch(63.1% 0.093 235.9)
-
Step 600
600
#2B7CA6
oklch(55.7% 0.1 235.6)
-
Step 700
700
#1C688E
oklch(49.1% 0.093 235.7)
-
Step 800
800 (this color)
#255E7D
oklch(45.9% 0.078 235.9)
-
Step 900
900
#1D465D
oklch(37.6% 0.06 236.1)
-
Step 950
950
#122937
oklch(26.9% 0.039 237.4)
#255E7D 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) | #4F5D7E | 0.046 |
| Deuteranopia (no green cones) | #43557C | 0.038 |
| Tritanopia (no blue cones) | #006668 | 0.052 |
| Achromatopsia (no color) | #595959 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255E7D
#255E7D
oklch(45.9% 0.078 235.9)
- #794B2A
#794B2A
oklch(45.8% 0.078 55)
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 #255E7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.029
- Denim #3B638C ΔE 0.036
- Petrol #005F6A ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.041
- Peacock Blue #016795 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.045
- Dusk Blue #26538D ΔE 0.047
Use #255E7D 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.