#5C878F
Closest named color: Steel Grey (#6F828A). oklch(59.5% 0.049 210.4), rgb(92, 135, 143).
Aa
Black text reads best on this color (5.31:1).
About this color
#5C878F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.049 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.025 away. Black text reads best on it, at 5.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #5C878F |
| RGB | rgb(92, 135, 143) |
| HSL | hsl(189, 22%, 46%) |
| OKLCH | oklch(59.5% 0.049 210.4) |
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 #5C878F | 3.94:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #5C878F | 5.31:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #5C878F text on white | 3.94:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #5C878F text on black | 5.31:1 | AA | Lc -34.8 | 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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDE
oklch(88.6% 0.013 208.8)
-
Step 300
300
#B0C5C9
oklch(80.9% 0.024 210.4)
-
Step 400
400
#86A7AE
oklch(70.6% 0.038 212)
-
Step 500
500 (this color)
#5C878F
oklch(59.5% 0.049 210.4)
-
Step 600
600
#4D7C85
oklch(55.6% 0.053 211)
-
Step 700
700
#3E6970
oklch(49.2% 0.049 208.9)
-
Step 800
800
#33555B
oklch(42.6% 0.041 209.9)
-
Step 900
900
#2D464B
oklch(37.6% 0.032 211.5)
-
Step 950
950
#1B292C
oklch(27% 0.02 212.4)
#5C878F 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) | #808490 | 0.047 |
| Deuteranopia (no green cones) | #777D8F | 0.043 |
| Tritanopia (no blue cones) | #498B89 | 0.026 |
| Achromatopsia (no color) | #808080 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C878F
#5C878F
oklch(59.5% 0.049 210.4)
- #9A746D
#9A746D
oklch(59.5% 0.049 30.5)
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 #5C878F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.025
- Grey Blue #647D8E ΔE 0.030
- Slate Gray #708090 ΔE 0.031
- Steel #738595 ΔE 0.032
- Battleship Grey #6B7C85 ΔE 0.033
- Dusty Teal #4C9085 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.039
- Blue Grey #758DA3 ΔE 0.047
Use #5C878F 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.