#0F77A8
Closest named color: Nice Blue (#107AB0). oklch(54% 0.114 237), rgb(15, 119, 168).
Aa
White text reads best on this color (4.97:1).
About this color
#0F77A8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.114 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.014 away. White text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #0F77A8 |
| RGB | rgb(15, 119, 168) |
| HSL | hsl(199, 84%, 36%) |
| OKLCH | oklch(54% 0.114 237) |
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 #0F77A8 | 4.97:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #0F77A8 | 4.22:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #0F77A8 text on white | 4.97:1 | AA | Lc 73.9 | Content text, not long reading |
| #0F77A8 text on black | 4.22:1 | AA large text | Lc -27.8 | 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 600.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEA
oklch(88.4% 0.029 238.3)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400
#6EA9CE
oklch(70.8% 0.082 237.1)
-
Step 500
500
#4292C1
oklch(63% 0.105 237.5)
-
Step 600
600 (this color)
#0F77A8
oklch(54% 0.114 237)
-
Step 700
700
#046895
oklch(49.1% 0.106 237.3)
-
Step 800
800
#0D5579
oklch(42.7% 0.088 237.4)
-
Step 900
900
#164661
oklch(37.6% 0.069 237.5)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#0F77A8 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) | #5F77AA | 0.064 |
| Deuteranopia (no green cones) | #4B6AA7 | 0.051 |
| Tritanopia (no blue cones) | #008488 | 0.073 |
| Achromatopsia (no color) | #707070 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F77A8
#0F77A8
oklch(54% 0.114 237)
- #9F5B20
#9F5B20
oklch(53.9% 0.114 57.1)
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 #0F77A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.014
- Ocean Blue #03719C ΔE 0.024
- Flat Blue #3C73A8 ΔE 0.026
- Muted Blue #3B719F ΔE 0.028
- Sea Blue #047495 ΔE 0.031
- Dull Blue #49759C ΔE 0.039
- Ocean #017B92 ΔE 0.041
- Cerulean #457B9D ΔE 0.041
Use #0F77A8 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.