#5F768A
Closest named color: Grey Blue (#647D8E). oklch(55.5% 0.041 244.9), rgb(95, 118, 138).
Aa
White text reads best on this color (4.72:1).
About this color
#5F768A is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.041 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.022 away. White text reads best on it, at 4.72:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #5F768A |
| RGB | rgb(95, 118, 138) |
| HSL | hsl(208, 18%, 46%) |
| OKLCH | oklch(55.5% 0.041 244.9) |
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 #5F768A | 4.72:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #5F768A | 4.44:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #5F768A text on white | 4.72:1 | AA | Lc 72.8 | Content text, not long reading |
| #5F768A text on black | 4.44:1 | AA large text | Lc -28.9 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400
#92A3B2
oklch(70.7% 0.029 244.8)
-
Step 500
500
#778C9F
oklch(63% 0.038 245.7)
-
Step 600
600 (this color)
#5F768A
oklch(55.5% 0.041 244.9)
-
Step 700
700
#4F6375
oklch(49% 0.038 245.8)
-
Step 800
800
#415160
oklch(42.7% 0.032 246.9)
-
Step 900
900
#37434E
oklch(37.7% 0.025 246.2)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#5F768A 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) | #6E768B | 0.021 |
| Deuteranopia (no green cones) | #69718A | 0.019 |
| Tritanopia (no blue cones) | #527B7C | 0.035 |
| Achromatopsia (no color) | #737373 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F768A
#5F768A
oklch(55.5% 0.041 244.9)
- #846E5A
#846E5A
oklch(55.4% 0.041 64.1)
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 #5F768A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.022
- Metallic Blue #4F738E ΔE 0.024
- Battleship Gray #6C757D ΔE 0.025
- Battleship Grey #6B7C85 ΔE 0.028
- Stormy Blue #507B9C ΔE 0.031
- Cerulean #457B9D ΔE 0.038
- Dull Blue #49759C ΔE 0.038
- Slate Gray #708090 ΔE 0.039
Use #5F768A 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.