#56757B
Closest named color: Battleship Gray (#6C757D). oklch(54.1% 0.037 210.8), rgb(86, 117, 123).
Aa
White text reads best on this color (4.96:1).
About this color
#56757B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.037 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.030 away. White text reads best on it, at 4.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.22:1 |
| White text | 4.96:1 |
Values
| HEX | #56757B |
| RGB | rgb(86, 117, 123) |
| HSL | hsl(190, 18%, 41%) |
| OKLCH | oklch(54.1% 0.037 210.8) |
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 #56757B | 4.96:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #56757B | 4.22:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #56757B text on white | 4.96:1 | AA | Lc 74.4 | Content text, not long reading |
| #56757B text on black | 4.22:1 | AA large text | Lc -27.3 | 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
#D3DBDC
oklch(88.6% 0.009 205.9)
-
Step 300
300
#B5C4C7
oklch(81% 0.017 211)
-
Step 400
400
#8EA5AA
oklch(70.6% 0.027 212.3)
-
Step 500
500
#728F95
oklch(63% 0.034 211.7)
-
Step 600
600 (this color)
#56757B
oklch(54.1% 0.037 210.8)
-
Step 700
700
#4A666C
oklch(49% 0.034 212.3)
-
Step 800
800
#3D5358
oklch(42.6% 0.028 213.2)
-
Step 900
900
#344548
oklch(37.7% 0.022 209.5)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#56757B 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) | #70737B | 0.035 |
| Deuteranopia (no green cones) | #696E7B | 0.031 |
| Tritanopia (no blue cones) | #4A7877 | 0.019 |
| Achromatopsia (no color) | #707070 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56757B
#56757B
oklch(54.1% 0.037 210.8)
- #836762
#836762
oklch(54% 0.037 30)
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 #56757B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.030
- Metallic Blue #4F738E ΔE 0.033
- Battleship Grey #6B7C85 ΔE 0.039
- Grey Blue #647D8E ΔE 0.040
- Dim Gray #696969 ΔE 0.042
- Slate #516572 ΔE 0.048
- Stormy Blue #507B9C ΔE 0.050
- Cerulean #457B9D ΔE 0.052
Use #56757B 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.