#56858C
Closest named color: Grey Blue (#647D8E). oklch(58.6% 0.052 207.7), rgb(86, 133, 140).
Aa
Black text reads best on this color (5.12:1).
About this color
#56858C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.052 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.029 away. Black text reads best on it, at 5.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #56858C |
| RGB | rgb(86, 133, 140) |
| HSL | hsl(188, 24%, 44%) |
| OKLCH | oklch(58.6% 0.052 207.7) |
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 #56858C | 4.09:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #56858C | 5.12:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #56858C text on white | 4.09:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #56858C text on black | 5.12:1 | AA | Lc -33.6 | Non-text elements, placeholder text |
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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDD
oklch(88.6% 0.013 202.9)
-
Step 300
300
#B0C5C8
oklch(80.8% 0.023 207.1)
-
Step 400
400
#86A8AD
oklch(70.8% 0.038 207.4)
-
Step 500
500
#679298
oklch(63.1% 0.048 206.9)
-
Step 600
600 (this color)
#56858C
oklch(58.6% 0.052 207.7)
-
Step 700
700
#3E696F
oklch(49.2% 0.049 207)
-
Step 800
800
#34555A
oklch(42.6% 0.039 207.9)
-
Step 900
900
#2D464A
oklch(37.6% 0.031 208.5)
-
Step 950
950
#1B292B
oklch(26.9% 0.019 207.1)
#56858C 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) | #7E818C | 0.051 |
| Deuteranopia (no green cones) | #747A8C | 0.047 |
| Tritanopia (no blue cones) | #408987 | 0.026 |
| Achromatopsia (no color) | #7D7D7D | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56858C
#56858C
oklch(58.6% 0.052 207.7)
- #99716B
#99716B
oklch(58.7% 0.052 28.4)
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 #56858C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.029
- Steel Grey #6F828A ΔE 0.030
- Battleship Grey #6B7C85 ΔE 0.033
- Slate Gray #708090 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.039
- Steel #738595 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.045
- Light Slate Gray #778899 ΔE 0.048
Use #56858C 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.