#30779E
Closest named color: Muted Blue (#3B719F). oklch(54.2% 0.093 236.2), rgb(48, 119, 158).
Aa
White text reads best on this color (4.93:1).
About this color
#30779E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.093 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.019 away. White text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #30779E |
| RGB | rgb(48, 119, 158) |
| HSL | hsl(201, 53%, 40%) |
| OKLCH | oklch(54.2% 0.093 236.2) |
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 #30779E | 4.93:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #30779E | 4.25:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #30779E text on white | 4.93:1 | AA | Lc 73.9 | Content text, not long reading |
| #30779E text on black | 4.25:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A8C5D8
oklch(80.8% 0.041 236.8)
-
Step 400
400
#78A8C5
oklch(70.8% 0.067 235.5)
-
Step 500
500
#5391B6
oklch(63% 0.085 236.5)
-
Step 600
600 (this color)
#30779E
oklch(54.2% 0.093 236.2)
-
Step 700
700
#26688B
oklch(49.2% 0.086 235.7)
-
Step 800
800
#225571
oklch(42.8% 0.071 235.9)
-
Step 900
900
#21465B
oklch(37.7% 0.056 235.7)
-
Step 950
950
#142935
oklch(26.9% 0.035 235.2)
#30779E 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) | #6476A0 | 0.055 |
| Deuteranopia (no green cones) | #556C9D | 0.045 |
| Tritanopia (no blue cones) | #008184 | 0.062 |
| Achromatopsia (no color) | #707070 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30779E
#30779E
oklch(54.2% 0.093 236.2)
- #986036
#986036
oklch(54.2% 0.093 56.1)
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 #30779E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.019
- Dull Blue #49759C ΔE 0.022
- Cerulean #457B9D ΔE 0.023
- Flat Blue #3C73A8 ΔE 0.024
- Sea Blue #047495 ΔE 0.027
- Ocean Blue #03719C ΔE 0.029
- Nice Blue #107AB0 ΔE 0.029
- Ocean #017B92 ΔE 0.032
Use #30779E 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.