#0A779E
Closest named color: Sea Blue (#047495). oklch(53.4% 0.105 230.6), rgb(10, 119, 158).
Aa
White text reads best on this color (5.06:1).
About this color
#0A779E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.105 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.016 away. White text reads best on it, at 5.06:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #0A779E |
| RGB | rgb(10, 119, 158) |
| HSL | hsl(196, 88%, 33%) |
| OKLCH | oklch(53.4% 0.105 230.6) |
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 #0A779E | 5.06:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #0A779E | 4.14:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #0A779E text on white | 5.06:1 | AA | Lc 74.5 | Content text, not long reading |
| #0A779E text on black | 4.14:1 | AA large text | Lc -27.2 | 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 600.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A2C7DA
oklch(80.9% 0.048 230.4)
-
Step 400
400
#6EAAC7
oklch(70.8% 0.075 230.1)
-
Step 500
500
#4294B9
oklch(63.1% 0.097 230.5)
-
Step 600
600 (this color)
#0A779E
oklch(53.4% 0.105 230.6)
-
Step 700
700
#046A8D
oklch(49.1% 0.097 230.1)
-
Step 800
800
#0D5673
oklch(42.6% 0.081 231.3)
-
Step 900
900
#16475D
oklch(37.6% 0.064 231.5)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#0A779E 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) | #6375A0 | 0.071 |
| Deuteranopia (no green cones) | #51699D | 0.059 |
| Tritanopia (no blue cones) | #008284 | 0.061 |
| Achromatopsia (no color) | #6E6E6E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A779E
#0A779E
oklch(53.4% 0.105 230.6)
- #9C5930
#9C5930
oklch(53.3% 0.104 50.4)
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 #0A779E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.016
- Ocean Blue #03719C ΔE 0.018
- Ocean #017B92 ΔE 0.026
- Nice Blue #107AB0 ΔE 0.029
- Muted Blue #3B719F ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.035
- Dull Blue #49759C ΔE 0.039
- Cerulean #457B9D ΔE 0.039
Use #0A779E 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.