#5B7980
Closest named color: Battleship Gray (#6C757D). oklch(55.5% 0.036 213.6), rgb(91, 121, 128).
Aa
White text reads best on this color (4.67:1).
About this color
#5B7980 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.036 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.024 away. White text reads best on it, at 4.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #5B7980 |
| RGB | rgb(91, 121, 128) |
| HSL | hsl(191, 17%, 43%) |
| OKLCH | oklch(55.5% 0.036 213.6) |
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 #5B7980 | 4.67:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #5B7980 | 4.49:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #5B7980 text on white | 4.67:1 | AA | Lc 72.5 | Content text, not long reading |
| #5B7980 text on black | 4.49:1 | AA large text | Lc -29.2 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D3DBDD
oklch(88.6% 0.009 214.3)
-
Step 300
300
#B5C4C7
oklch(81% 0.017 211)
-
Step 400
400
#8FA5AA
oklch(70.7% 0.026 213)
-
Step 500
500
#738F96
oklch(63.1% 0.033 214.6)
-
Step 600
600 (this color)
#5B7980
oklch(55.5% 0.036 213.6)
-
Step 700
700
#4B666C
oklch(49.1% 0.033 212.9)
-
Step 800
800
#3E5358
oklch(42.7% 0.027 213.9)
-
Step 900
900
#354549
oklch(37.8% 0.022 214.7)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#5B7980 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) | #737780 | 0.033 |
| Deuteranopia (no green cones) | #6D7280 | 0.030 |
| Tritanopia (no blue cones) | #4F7C7B | 0.020 |
| Achromatopsia (no color) | #747474 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B7980
#5B7980
oklch(55.5% 0.036 213.6)
- #876C65
#876C65
oklch(55.6% 0.036 34.9)
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 #5B7980, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.024
- Battleship Grey #6B7C85 ΔE 0.025
- Grey Blue #647D8E ΔE 0.026
- Metallic Blue #4F738E ΔE 0.036
- Steel Grey #6F828A ΔE 0.041
- Slate Gray #708090 ΔE 0.042
- Stormy Blue #507B9C ΔE 0.043
- Cerulean #457B9D ΔE 0.048
Use #5B7980 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.