#5F759E
Closest named color: Stormy Blue (#507B9C). oklch(56.1% 0.069 262.5), rgb(95, 117, 158).
Aa
White text reads best on this color (4.64:1).
About this color
#5F759E is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.069 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.024 away. White text reads best on it, at 4.64:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #5F759E |
| RGB | rgb(95, 117, 158) |
| HSL | hsl(219, 25%, 50%) |
| OKLCH | oklch(56.1% 0.069 262.5) |
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 #5F759E | 4.64:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #5F759E | 4.52:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #5F759E text on white | 4.64:1 | AA | Lc 72.2 | Content text, not long reading |
| #5F759E text on black | 4.52:1 | AA | Lc -29.5 | 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 600.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B6C1D5
oklch(80.9% 0.031 262.5)
-
Step 400
400
#90A1C0
oklch(70.6% 0.049 262.4)
-
Step 500
500
#758AB1
oklch(63.2% 0.064 262.6)
-
Step 600
600 (this color)
#5F759E
oklch(56.1% 0.069 262.5)
-
Step 700
700
#4D6186
oklch(49.2% 0.065 262.3)
-
Step 800
800
#3F4F6D
oklch(42.7% 0.054 262.6)
-
Step 900
900
#364258
oklch(37.8% 0.041 262.3)
-
Step 950
950
#202733
oklch(27.1% 0.025 261.1)
#5F759E 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) | #6778A0 | 0.015 |
| Deuteranopia (no green cones) | #60729D | 0.008 |
| Tritanopia (no blue cones) | #4A7E83 | 0.063 |
| Achromatopsia (no color) | #747474 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F759E
#5F759E
oklch(56.1% 0.069 262.5)
- #897144
#897144
oklch(56.1% 0.069 82.2)
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 #5F759E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.024
- Dull Blue #49759C ΔE 0.027
- Cerulean #457B9D ΔE 0.033
- Metallic Blue #4F738E ΔE 0.034
- Grey Blue #647D8E ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.042
- Off Blue #5684AE ΔE 0.043
- Muted Blue #3B719F ΔE 0.044
Use #5F759E 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.