#256C96
Closest named color: Ocean Blue (#03719C). oklch(50.7% 0.096 239), rgb(37, 108, 150).
Aa
White text reads best on this color (5.73:1).
About this color
#256C96 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.096 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.018 away. White text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #256C96 |
| RGB | rgb(37, 108, 150) |
| HSL | hsl(202, 60%, 37%) |
| OKLCH | oklch(50.7% 0.096 239) |
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 #256C96 | 5.73:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #256C96 | 3.66:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #256C96 text on white | 5.73:1 | AA | Lc 78.4 | Fine for body text |
| #256C96 text on black | 3.66:1 | AA large text | Lc -23.4 | 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
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A6C5DC
oklch(80.8% 0.047 240.3)
-
Step 400
400
#75A7CA
oklch(70.6% 0.074 239.7)
-
Step 500
500
#4E91BD
oklch(63.1% 0.095 239.5)
-
Step 600
600
#2E7BA9
oklch(55.7% 0.103 239)
-
Step 700
700 (this color)
#256C96
oklch(50.7% 0.096 239)
-
Step 800
800
#1D5476
oklch(42.7% 0.08 239.9)
-
Step 900
900
#1E465F
oklch(37.7% 0.062 238.9)
-
Step 950
950
#132938
oklch(27% 0.04 240.2)
#256C96 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) | #586C98 | 0.051 |
| Deuteranopia (no green cones) | #496195 | 0.043 |
| Tritanopia (no blue cones) | #00777B | 0.064 |
| Achromatopsia (no color) | #666666 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256C96
#256C96
oklch(50.7% 0.096 239)
- #8D5626
#8D5626
oklch(50.6% 0.096 58.9)
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 #256C96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.018
- Peacock Blue #016795 ΔE 0.023
- Sea Blue #047495 ΔE 0.026
- Muted Blue #3B719F ΔE 0.028
- Denim #3B638C ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.045
- Dull Blue #49759C ΔE 0.045
Use #256C96 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.