#6C839F
Closest named color: Steel (#738595). oklch(60.2% 0.051 253.6), rgb(108, 131, 159).
Aa
Black text reads best on this color (5.38:1).
About this color
#6C839F is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.051 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.020 away. Black text reads best on it, at 5.38:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.38:1 |
| White text | 3.89:1 |
Values
| HEX | #6C839F |
| RGB | rgb(108, 131, 159) |
| HSL | hsl(213, 21%, 52%) |
| OKLCH | oklch(60.2% 0.051 253.6) |
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 #6C839F | 3.89:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #6C839F | 5.38:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #6C839F text on white | 3.89:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #6C839F text on black | 5.38:1 | AA | Lc -35.2 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D1
oklch(80.9% 0.025 254)
-
Step 400
400
#90A2B9
oklch(70.6% 0.039 254.6)
-
Step 500
500 (this color)
#6C839F
oklch(60.2% 0.051 253.6)
-
Step 600
600
#5D7593
oklch(55.5% 0.055 254.3)
-
Step 700
700
#4C637D
oklch(49.2% 0.05 251.9)
-
Step 800
800
#3F5066
oklch(42.6% 0.043 255.1)
-
Step 900
900
#354353
oklch(37.7% 0.033 252.1)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#6C839F 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) | #7984A0 | 0.018 |
| Deuteranopia (no green cones) | #737F9E | 0.014 |
| Tritanopia (no blue cones) | #5D898C | 0.044 |
| Achromatopsia (no color) | #818181 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C839F
#6C839F
oklch(60.2% 0.051 253.6)
- #937D5F
#937D5F
oklch(60.2% 0.051 75.2)
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 #6C839F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.020
- Slate Gray #708090 ΔE 0.022
- Light Slate Gray #778899 ΔE 0.025
- Lavender Gray #7E7F9A ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.028
- Grey Blue #647D8E ΔE 0.031
- Blue Grey #758DA3 ΔE 0.032
- Steel Grey #6F828A ΔE 0.032
Use #6C839F 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.