#56878F
Closest named color: Steel Grey (#6F828A). oklch(59.2% 0.054 208.8), rgb(86, 135, 143).
Aa
Black text reads best on this color (5.25:1).
About this color
#56878F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.054 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.031 away. Black text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #56878F |
| RGB | rgb(86, 135, 143) |
| HSL | hsl(188, 25%, 45%) |
| OKLCH | oklch(59.2% 0.054 208.8) |
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 #56878F | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #56878F | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #56878F text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #56878F text on black | 5.25:1 | AA | Lc -34.5 | 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
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AFC5C9
oklch(80.8% 0.025 209.8)
-
Step 400
400
#85A8AE
oklch(70.8% 0.039 209.1)
-
Step 500
500
#65929A
oklch(63% 0.05 209.8)
-
Step 600
600 (this color)
#56878F
oklch(59.2% 0.054 208.8)
-
Step 700
700
#3C6970
oklch(49.1% 0.051 208.4)
-
Step 800
800
#32555B
oklch(42.5% 0.042 209.5)
-
Step 900
900
#2D474B
oklch(37.9% 0.032 208)
-
Step 950
950
#1A292C
oklch(26.9% 0.021 211.4)
#56878F 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) | #7F8390 | 0.052 |
| Deuteranopia (no green cones) | #767C8F | 0.049 |
| Tritanopia (no blue cones) | #3F8B89 | 0.027 |
| Achromatopsia (no color) | #7F7F7F | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56878F
#56878F
oklch(59.2% 0.054 208.8)
- #9C726B
#9C726B
oklch(59.2% 0.055 29.5)
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 #56878F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.031
- Grey Blue #647D8E ΔE 0.032
- Slate Gray #708090 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.037
- Steel #738595 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.045
- Stormy Blue #507B9C ΔE 0.047
Use #56878F 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.