#6C8190
Closest named color: Slate Gray (#708090). oklch(59.2% 0.034 239.2), rgb(108, 129, 144).
Aa
Black text reads best on this color (5.18:1).
About this color
#6C8190 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.034 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.006 away. Black text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #6C8190 |
| RGB | rgb(108, 129, 144) |
| HSL | hsl(205, 14%, 49%) |
| OKLCH | oklch(59.2% 0.034 239.2) |
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 #6C8190 | 4.05:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #6C8190 | 5.18:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #6C8190 text on white | 4.05:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #6C8190 text on black | 5.18:1 | AA | Lc -33.9 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2C9
oklch(80.8% 0.015 238.1)
-
Step 400
400
#93A3AE
oklch(70.6% 0.024 237.8)
-
Step 500
500
#798C9A
oklch(63% 0.03 240)
-
Step 600
600 (this color)
#6C8190
oklch(59.2% 0.034 239.2)
-
Step 700
700
#516371
oklch(49% 0.031 241.7)
-
Step 800
800
#42515C
oklch(42.6% 0.026 240)
-
Step 900
900
#38434B
oklch(37.6% 0.02 239.7)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#6C8190 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) | #7B8091 | 0.021 |
| Deuteranopia (no green cones) | #767C90 | 0.019 |
| Tritanopia (no blue cones) | #628586 | 0.026 |
| Achromatopsia (no color) | #7E7E7E | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C8190
#6C8190
oklch(59.2% 0.034 239.2)
- #8D796A
#8D796A
oklch(59% 0.033 58.9)
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 #6C8190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.006
- Steel Grey #6F828A ΔE 0.011
- Steel #738595 ΔE 0.016
- Grey Blue #647D8E ΔE 0.017
- Battleship Grey #6B7C85 ΔE 0.019
- Light Slate Gray #778899 ΔE 0.028
- Lavender Gray #7E7F9A ΔE 0.032
- Gray #808080 ΔE 0.035
Use #6C8190 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.