#5E789C
Closest named color: Stormy Blue (#507B9C). oklch(56.7% 0.064 256.6), rgb(94, 120, 156).
Aa
Black text reads best on this color (4.64:1).
About this color
#5E789C is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.064 and its hue 257°. 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 4.64:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #5E789C |
| RGB | rgb(94, 120, 156) |
| HSL | hsl(215, 25%, 49%) |
| OKLCH | oklch(56.7% 0.064 256.6) |
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 #5E789C | 4.52:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #5E789C | 4.64:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #5E789C text on white | 4.52:1 | AA | Lc 71.4 | Content text, not long reading |
| #5E789C text on black | 4.64:1 | AA | Lc -30.3 | Non-text elements, placeholder text |
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
#B5C2D3
oklch(80.9% 0.028 255.1)
-
Step 400
400
#8EA2BE
oklch(70.6% 0.047 256.8)
-
Step 500
500
#738BAD
oklch(63.1% 0.058 257.1)
-
Step 600
600 (this color)
#5E789C
oklch(56.7% 0.064 256.6)
-
Step 700
700
#4B6282
oklch(49.1% 0.059 256.7)
-
Step 800
800
#3D506A
oklch(42.7% 0.05 256.4)
-
Step 900
900
#344256
oklch(37.5% 0.039 257.3)
-
Step 950
950
#1F2732
oklch(27% 0.024 256.4)
#5E789C 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) | #6B7A9E | 0.019 |
| Deuteranopia (no green cones) | #64749B | 0.013 |
| Tritanopia (no blue cones) | #498084 | 0.057 |
| Achromatopsia (no color) | #767676 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E789C
#5E789C
oklch(56.7% 0.064 256.6)
- #8C724B
#8C724B
oklch(56.8% 0.064 77)
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 #5E789C, 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 0.027
- Cerulean #457B9D ΔE 0.028
- Grey Blue #647D8E ΔE 0.031
- Metallic Blue #4F738E ΔE 0.032
- Off Blue #5684AE ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.041
- Slate Gray #708090 ΔE 0.042
Use #5E789C 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.