#6C8590
Closest named color: Steel Grey (#6F828A). oklch(60.1% 0.033 226.4), rgb(108, 133, 144).
Aa
Black text reads best on this color (5.39:1).
About this color
#6C8590 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.033 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.011 away. Black text reads best on it, at 5.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #6C8590 |
| RGB | rgb(108, 133, 144) |
| HSL | hsl(198, 14%, 49%) |
| OKLCH | oklch(60.1% 0.033 226.4) |
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 #6C8590 | 3.89:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #6C8590 | 5.39:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #6C8590 text on white | 3.89:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #6C8590 text on black | 5.39:1 | AA | Lc -35.3 | 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
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D3DADE
oklch(88.4% 0.009 232.4)
-
Step 300
300
#B6C3C9
oklch(80.9% 0.017 227)
-
Step 400
400
#90A4AD
oklch(70.6% 0.026 226.6)
-
Step 500
500 (this color)
#6C8590
oklch(60.1% 0.033 226.4)
-
Step 600
600
#5D7884
oklch(55.6% 0.036 226.9)
-
Step 700
700
#4D6570
oklch(49.2% 0.034 227.7)
-
Step 800
800
#3F525B
oklch(42.6% 0.028 228.5)
-
Step 900
900
#36444B
oklch(37.7% 0.022 229.7)
-
Step 950
950
#20282C
oklch(27.1% 0.014 229.5)
#6C8590 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) | #7F8491 | 0.026 |
| Deuteranopia (no green cones) | #7A7F90 | 0.024 |
| Tritanopia (no blue cones) | #618888 | 0.022 |
| Achromatopsia (no color) | #818181 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C8590
#6C8590
oklch(60.1% 0.033 226.4)
- #927B70
#927B70
oklch(60.1% 0.033 47.1)
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 #6C8590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.011
- Steel #738595 ΔE 0.013
- Slate Gray #708090 ΔE 0.015
- Light Slate Gray #778899 ΔE 0.022
- Grey Blue #647D8E ΔE 0.026
- Battleship Grey #6B7C85 ΔE 0.027
- Gray #808080 ΔE 0.033
- Medium Grey #7D7F7C ΔE 0.035
Use #6C8590 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.