#255F94
Closest named color: Denim Blue (#3B5B92). oklch(47.4% 0.105 249.3), rgb(37, 95, 148).
Aa
White text reads best on this color (6.68:1).
About this color
#255F94 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.105 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.021 away. White text reads best on it, at 6.68:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #255F94 |
| RGB | rgb(37, 95, 148) |
| HSL | hsl(209, 60%, 36%) |
| OKLCH | oklch(47.4% 0.105 249.3) |
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 #255F94 | 6.68:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #255F94 | 3.14:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #255F94 text on white | 6.68:1 | AA | Lc 82.7 | Fine for body text |
| #255F94 text on black | 3.14:1 | AA large text | Lc -19.2 | 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
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A8C4E1
oklch(80.9% 0.051 249.4)
-
Step 400
400
#79A5D2
oklch(70.7% 0.082 249.6)
-
Step 500
500
#558EC6
oklch(63.1% 0.104 249.4)
-
Step 600
600
#3877B2
oklch(55.6% 0.113 249.2)
-
Step 700
700 (this color)
#255F94
oklch(47.4% 0.105 249.3)
-
Step 800
800
#24527C
oklch(42.7% 0.086 248.7)
-
Step 900
900
#234464
oklch(37.7% 0.068 249.4)
-
Step 950
950
#15283B
oklch(27.1% 0.044 249.7)
#255F94 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) | #476296 | 0.037 |
| Deuteranopia (no green cones) | #375793 | 0.026 |
| Tritanopia (no blue cones) | #006C72 | 0.079 |
| Achromatopsia (no color) | #5C5C5C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255F94
#255F94
oklch(47.4% 0.105 249.3)
- #814F00
#814F00
oklch(47.4% 0.104 68.6)
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 #255F94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.022
- Peacock Blue #016795 ΔE 0.025
- Denim #3B638C ΔE 0.029
- Dusky Blue #475F94 ΔE 0.034
- Dusk Blue #26538D ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.048
- YInMn Blue #415A77 ΔE 0.051
Use #255F94 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.