#5B756C
Closest named color: Battleship Gray (#6C757D). oklch(53.9% 0.033 171.9), rgb(91, 117, 108).
Aa
White text reads best on this color (4.99:1).
About this color
#5B756C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.033 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.038 away. White text reads best on it, at 4.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #5B756C |
| RGB | rgb(91, 117, 108) |
| HSL | hsl(159, 12%, 41%) |
| OKLCH | oklch(53.9% 0.033 171.9) |
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 #5B756C | 4.99:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #5B756C | 4.20:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #5B756C text on white | 4.99:1 | AA | Lc 74.5 | Content text, not long reading |
| #5B756C text on black | 4.20:1 | AA large text | Lc -27.2 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B7C4BF
oklch(80.9% 0.016 170.9)
-
Step 400
400
#92A69F
oklch(70.8% 0.025 172.5)
-
Step 500
500
#779087
oklch(63.1% 0.031 171.4)
-
Step 600
600 (this color)
#5B756C
oklch(53.9% 0.033 171.9)
-
Step 700
700
#4F675F
oklch(49.2% 0.031 172.6)
-
Step 800
800
#41544D
oklch(42.8% 0.026 170.6)
-
Step 900
900
#374540
oklch(37.6% 0.02 171.5)
-
Step 950
950
#202926
oklch(27.1% 0.014 173)
#5B756C 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) | #73726C | 0.034 |
| Deuteranopia (no green cones) | #6E6E6D | 0.033 |
| Tritanopia (no blue cones) | #557572 | 0.011 |
| Achromatopsia (no color) | #6F6F6F | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B756C
#5B756C
oklch(53.9% 0.033 171.9)
- #7E6770
#7E6770
oklch(53.9% 0.032 352.8)
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 #5B756C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.038
- Dim Gray #696969 ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.047
- Grey Blue #647D8E ΔE 0.055
- Slate #516572 ΔE 0.056
- Metallic Blue #4F738E ΔE 0.057
- Grey Brown #7F7053 ΔE 0.058
- Bluegreen #017A79 ΔE 0.061
Use #5B756C 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.