#6C799D
Closest named color: Grey Blue (#647D8E). oklch(57.9% 0.058 269.1), rgb(108, 121, 157).
Aa
Black text reads best on this color (4.85:1).
About this color
#6C799D is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.058 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.032 away. Black text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #6C799D |
| RGB | rgb(108, 121, 157) |
| HSL | hsl(224, 20%, 52%) |
| OKLCH | oklch(57.9% 0.058 269.1) |
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 #6C799D | 4.32:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #6C799D | 4.85:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #6C799D text on white | 4.32:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #6C799D text on black | 4.85:1 | AA | Lc -31.8 | 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 600.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#BAC0D2
oklch(80.9% 0.026 271.1)
-
Step 400
400
#96A0BB
oklch(70.7% 0.041 269.3)
-
Step 500
500
#7C89AA
oklch(63.2% 0.052 268.1)
-
Step 600
600 (this color)
#6C799D
oklch(57.9% 0.058 269.1)
-
Step 700
700
#546080
oklch(49.2% 0.054 268.5)
-
Step 800
800
#454E68
oklch(42.7% 0.045 269.6)
-
Step 900
900
#3A4154
oklch(37.7% 0.034 269)
-
Step 950
950
#222631
oklch(27% 0.021 269.3)
#6C799D 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) | #6E7C9F | 0.009 |
| Deuteranopia (no green cones) | #6A789C | 0.004 |
| Tritanopia (no blue cones) | #5F8085 | 0.052 |
| Achromatopsia (no color) | #7A7A7A | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C799D
#6C799D
oklch(57.9% 0.058 269.1)
- #887952
#887952
oklch(58% 0.058 89.4)
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 #6C799D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.032
- Lavender Gray #7E7F9A ΔE 0.033
- Slate Gray #708090 ΔE 0.034
- Stormy Blue #507B9C ΔE 0.035
- Off Blue #5684AE ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.042
- Steel #738595 ΔE 0.042
Use #6C799D 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.