#6C8CA5
Closest named color: Blue Grey (#758DA3). oklch(62.5% 0.052 242.2), rgb(108, 140, 165).
Aa
Black text reads best on this color (5.93:1).
About this color
#6C8CA5 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.052 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.012 away. Black text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.93:1 |
| White text | 3.54:1 |
Values
| HEX | #6C8CA5 |
| RGB | rgb(108, 140, 165) |
| HSL | hsl(206, 24%, 54%) |
| OKLCH | oklch(62.5% 0.052 242.2) |
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 #6C8CA5 | 3.54:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #6C8CA5 | 5.93:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #6C8CA5 text on white | 3.54:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #6C8CA5 text on black | 5.93:1 | AA | Lc -38.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D1DAE2
oklch(88.4% 0.015 244.7)
-
Step 300
300
#B3C3D0
oklch(80.9% 0.025 242.4)
-
Step 400
400
#8BA4B8
oklch(70.6% 0.041 242.4)
-
Step 500
500 (this color)
#6C8CA5
oklch(62.5% 0.052 242.2)
-
Step 600
600
#557892
oklch(55.6% 0.057 241.2)
-
Step 700
700
#46657C
oklch(49.2% 0.052 241.2)
-
Step 800
800
#395265
oklch(42.6% 0.044 241.8)
-
Step 900
900
#324452
oklch(37.7% 0.033 242.1)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#6C8CA5 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) | #828CA6 | 0.029 |
| Deuteranopia (no green cones) | #7A85A5 | 0.025 |
| Tritanopia (no blue cones) | #599294 | 0.042 |
| Achromatopsia (no color) | #888888 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C8CA5
#6C8CA5
oklch(62.5% 0.052 242.2)
- #9F8167
#9F8167
oklch(62.5% 0.053 62.5)
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 #6C8CA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.012
- Silver Lake Blue #778DA9 ΔE 0.016
- Light Slate Gray #778899 ΔE 0.021
- Steel #738595 ΔE 0.027
- Dusty Blue #5A86AD ΔE 0.033
- Faded Blue #658CBB ΔE 0.034
- Slate Gray #708090 ΔE 0.039
- Lavender Gray #7E7F9A ΔE 0.040
Use #6C8CA5 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.