#5C779E
Closest named color: Stormy Blue (#507B9C). oklch(56.4% 0.069 257.5), rgb(92, 119, 158).
Aa
Black text reads best on this color (4.58:1).
About this color
#5C779E is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.069 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.018 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #5C779E |
| RGB | rgb(92, 119, 158) |
| HSL | hsl(215, 26%, 49%) |
| OKLCH | oklch(56.4% 0.069 257.5) |
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 #5C779E | 4.57:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #5C779E | 4.58:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #5C779E text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #5C779E text on black | 4.58:1 | AA | Lc -29.9 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8EA2C0
oklch(70.7% 0.05 258.4)
-
Step 500
500
#728BB0
oklch(63.1% 0.063 258.1)
-
Step 600
600 (this color)
#5C779E
oklch(56.4% 0.069 257.5)
-
Step 700
700
#4A6285
oklch(49.2% 0.064 257.7)
-
Step 800
800
#3D506C
oklch(42.8% 0.053 257.9)
-
Step 900
900
#344258
oklch(37.6% 0.042 259.3)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#5C779E 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) | #6979A0 | 0.019 |
| Deuteranopia (no green cones) | #61739D | 0.012 |
| Tritanopia (no blue cones) | #457F84 | 0.060 |
| Achromatopsia (no color) | #757575 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C779E
#5C779E
oklch(56.4% 0.069 257.5)
- #8C7146
#8C7146
oklch(56.5% 0.069 78.3)
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 #5C779E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.018
- Dull Blue #49759C ΔE 0.024
- Cerulean #457B9D ΔE 0.027
- Metallic Blue #4F738E ΔE 0.032
- Grey Blue #647D8E ΔE 0.036
- Off Blue #5684AE ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.041
- Steel Blue #4682B4 ΔE 0.043
Use #5C779E 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.