#6CA5CB
Closest named color: Greyblue (#77A1B5). oklch(69.7% 0.082 238.7), rgb(108, 165, 203).
Aa
Black text reads best on this color (7.88:1).
About this color
#6CA5CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.082 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.032 away. Black text reads best on it, at 7.88:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #6CA5CB |
| RGB | rgb(108, 165, 203) |
| HSL | hsl(204, 48%, 61%) |
| OKLCH | oklch(69.7% 0.082 238.7) |
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 #6CA5CB | 2.66:1 | Fails | Lc -56.9 | Large or bold text, headings |
| Black text on #6CA5CB | 7.88:1 | AAA | Lc 52.3 | Large or bold text, headings |
| #6CA5CB text on white | 2.66:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #6CA5CB text on black | 7.88:1 | AAA | Lc -50.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A3C6DE
oklch(80.9% 0.051 238.2)
-
Step 400
400 (this color)
#6CA5CB
oklch(69.7% 0.082 238.7)
-
Step 500
500
#4592C2
oklch(63.2% 0.105 238.9)
-
Step 600
600
#1E7BAE
oklch(55.5% 0.114 238.8)
-
Step 700
700
#0D6896
oklch(49.2% 0.106 238.7)
-
Step 800
800
#125579
oklch(42.8% 0.087 238.2)
-
Step 900
900
#184662
oklch(37.7% 0.069 239.2)
-
Step 950
950
#102939
oklch(26.9% 0.043 239.2)
#6CA5CB 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) | #94A4CD | 0.047 |
| Deuteranopia (no green cones) | #879ACA | 0.041 |
| Tritanopia (no blue cones) | #41AFB1 | 0.066 |
| Achromatopsia (no color) | #9E9E9E | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA5CB
#6CA5CB
oklch(69.7% 0.082 238.7)
- #C4916A
#C4916A
oklch(69.7% 0.082 58.3)
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 #6CA5CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.047
- Cool Gray #8D99AE ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.064
- Cadet Blue #5F9EA0 ΔE 0.066
- Cool Grey #95A3A6 ΔE 0.068
Use #6CA5CB 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.