#5C779B
Closest named color: Stormy Blue (#507B9C). oklch(56.3% 0.064 255.8), rgb(92, 119, 155).
Aa
White text reads best on this color (4.59:1).
About this color
#5C779B is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.064 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.017 away. White text reads best on it, at 4.59:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #5C779B |
| RGB | rgb(92, 119, 155) |
| HSL | hsl(214, 26%, 48%) |
| OKLCH | oklch(56.3% 0.064 255.8) |
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 #5C779B | 4.59:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #5C779B | 4.56:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #5C779B text on white | 4.59:1 | AA | Lc 71.9 | Content text, not long reading |
| #5C779B text on black | 4.56:1 | AA | Lc -29.8 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B5C2D4
oklch(81% 0.029 256.5)
-
Step 400
400
#8EA2BE
oklch(70.6% 0.047 256.8)
-
Step 500
500
#728BAD
oklch(63% 0.059 256.2)
-
Step 600
600 (this color)
#5C779B
oklch(56.3% 0.064 255.8)
-
Step 700
700
#4A6283
oklch(49.1% 0.061 256.5)
-
Step 800
800
#3D506A
oklch(42.7% 0.05 256.4)
-
Step 900
900
#344356
oklch(37.8% 0.038 254.6)
-
Step 950
950
#1F2732
oklch(27% 0.024 256.4)
#5C779B 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) | #6A799D | 0.020 |
| Deuteranopia (no green cones) | #62729A | 0.015 |
| Tritanopia (no blue cones) | #467F83 | 0.057 |
| Achromatopsia (no color) | #757575 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C779B
#5C779B
oklch(56.3% 0.064 255.8)
- #8B7049
#8B7049
oklch(56.2% 0.064 76)
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 #5C779B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.017
- Dull Blue #49759C ΔE 0.024
- Cerulean #457B9D ΔE 0.026
- Metallic Blue #4F738E ΔE 0.028
- Grey Blue #647D8E ΔE 0.033
- Off Blue #5684AE ΔE 0.041
- Muted Blue #3B719F ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.043
Use #5C779B 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.