#0770AA
Closest named color: Ocean Blue (#03719C). oklch(52.3% 0.123 242.4), rgb(7, 112, 170).
Aa
White text reads best on this color (5.37:1).
About this color
#0770AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.123 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.024 away. White text reads best on it, at 5.37:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #0770AA |
| RGB | rgb(7, 112, 170) |
| HSL | hsl(201, 92%, 35%) |
| OKLCH | oklch(52.3% 0.123 242.4) |
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 #0770AA | 5.37:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #0770AA | 3.90:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #0770AA text on white | 5.37:1 | AA | Lc 76.2 | Fine for body text |
| #0770AA text on black | 3.90:1 | AA large text | Lc -25.5 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#A0C6E4
oklch(80.9% 0.059 242.2)
-
Step 400
400
#69A8D7
oklch(70.8% 0.095 242.1)
-
Step 500
500
#3A91CC
oklch(63.1% 0.121 242.1)
-
Step 600
600
#037AB9
oklch(55.6% 0.132 242.3)
-
Step 700
700 (this color)
#0770AA
oklch(52.3% 0.123 242.4)
-
Step 800
800
#015481
oklch(42.7% 0.101 242)
-
Step 900
900
#114668
oklch(37.8% 0.079 242.1)
-
Step 950
950
#0D293D
oklch(27% 0.05 242.9)
#0770AA 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) | #5472AC | 0.056 |
| Deuteranopia (no green cones) | #3E64A9 | 0.042 |
| Tritanopia (no blue cones) | #007E85 | 0.082 |
| Achromatopsia (no color) | #6A6A6A | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0770AA
#0770AA
oklch(52.3% 0.123 242.4)
- #995700
#995700
oklch(52.2% 0.12 62.4)
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 #0770AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.024
- Mid Blue #276AB3 ΔE 0.027
- Nice Blue #107AB0 ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.032
- Muted Blue #3B719F ΔE 0.032
- French Blue #436BAD ΔE 0.038
- Sea Blue #047495 ΔE 0.039
- Peacock Blue #016795 ΔE 0.039
Use #0770AA 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.