#6C878A
Closest named color: Steel Grey (#6F828A). oklch(60.3% 0.031 204.7), rgb(108, 135, 138).
Aa
Black text reads best on this color (5.47:1).
About this color
#6C878A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.031 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.015 away. Black text reads best on it, at 5.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #6C878A |
| RGB | rgb(108, 135, 138) |
| HSL | hsl(186, 12%, 48%) |
| OKLCH | oklch(60.3% 0.031 204.7) |
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 #6C878A | 3.83:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #6C878A | 5.47:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #6C878A text on white | 3.83:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #6C878A text on black | 5.47:1 | AA | Lc -35.8 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDC
oklch(88.6% 0.009 205.9)
-
Step 300
300
#B6C4C5
oklch(81% 0.015 202)
-
Step 400
400
#90A5A8
oklch(70.7% 0.024 207.1)
-
Step 500
500 (this color)
#6C878A
oklch(60.3% 0.031 204.7)
-
Step 600
600
#5C797D
oklch(55.5% 0.034 206.7)
-
Step 700
700
#4C6669
oklch(49.1% 0.031 205)
-
Step 800
800
#3E5356
oklch(42.6% 0.026 207.1)
-
Step 900
900
#354547
oklch(37.7% 0.021 205.7)
-
Step 950
950
#1F2829
oklch(26.9% 0.013 204.7)
#6C878A 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) | #83858A | 0.031 |
| Deuteranopia (no green cones) | #7D808A | 0.029 |
| Tritanopia (no blue cones) | #638988 | 0.013 |
| Achromatopsia (no color) | #828282 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C878A
#6C878A
oklch(60.3% 0.031 204.7)
- #937A78
#937A78
oklch(60.2% 0.031 23.4)
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 #6C878A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.015
- Steel #738595 ΔE 0.022
- Slate Gray #708090 ΔE 0.026
- Light Slate Gray #778899 ΔE 0.028
- Battleship Grey #6B7C85 ΔE 0.031
- Medium Grey #7D7F7C ΔE 0.031
- Gray #808080 ΔE 0.031
- Grey Blue #647D8E ΔE 0.035
Use #6C878A 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.