#6C839B
Closest named color: Steel (#738595). oklch(60.1% 0.045 249.7), rgb(108, 131, 155).
Aa
Black text reads best on this color (5.35:1).
About this color
#6C839B is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.045 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.015 away. Black text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.35:1 |
| White text | 3.91:1 |
Values
| HEX | #6C839B |
| RGB | rgb(108, 131, 155) |
| HSL | hsl(211, 19%, 52%) |
| OKLCH | oklch(60.1% 0.045 249.7) |
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 #6C839B | 3.91:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #6C839B | 5.35:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #6C839B text on white | 3.91:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #6C839B text on black | 5.35:1 | AA | Lc -35.1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE1
oklch(88.5% 0.012 248)
-
Step 300
300
#B6C2CF
oklch(80.9% 0.023 250.3)
-
Step 400
400
#90A3B6
oklch(70.7% 0.035 248.3)
-
Step 500
500 (this color)
#6C839B
oklch(60.1% 0.045 249.7)
-
Step 600
600
#5D7690
oklch(55.6% 0.05 249.7)
-
Step 700
700
#4D637A
oklch(49.1% 0.046 249.9)
-
Step 800
800
#3F5163
oklch(42.7% 0.038 248.7)
-
Step 900
900
#364351
oklch(37.7% 0.029 250.5)
-
Step 950
950
#20272F
oklch(26.9% 0.018 251.9)
#6C839B 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) | #7A839C | 0.019 |
| Deuteranopia (no green cones) | #747E9B | 0.017 |
| Tritanopia (no blue cones) | #5E888B | 0.038 |
| Achromatopsia (no color) | #818181 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C839B
#6C839B
oklch(60.1% 0.045 249.7)
- #927C63
#927C63
oklch(60% 0.045 70.4)
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 #6C839B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.015
- Slate Gray #708090 ΔE 0.017
- Light Slate Gray #778899 ΔE 0.022
- Steel Grey #6F828A ΔE 0.026
- Lavender Gray #7E7F9A ΔE 0.026
- Grey Blue #647D8E ΔE 0.027
- Dusty Blue #5A86AD ΔE 0.032
- Blue Grey #758DA3 ΔE 0.032
Use #6C839B 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.