#6CAACC
Closest named color: Greyblue (#77A1B5). oklch(70.9% 0.081 233.6), rgb(108, 170, 204).
Aa
Black text reads best on this color (8.25:1).
About this color
#6CAACC is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.081 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.036 away. Black text reads best on it, at 8.25:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.25:1 |
| White text | 2.54:1 |
Values
| HEX | #6CAACC |
| RGB | rgb(108, 170, 204) |
| HSL | hsl(201, 48%, 61%) |
| OKLCH | oklch(70.9% 0.081 233.6) |
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 #6CAACC | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #6CAACC | 8.25:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #6CAACC text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #6CAACC text on black | 8.25:1 | AAA | Lc -52.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A1C7DD
oklch(80.9% 0.051 233.6)
-
Step 400
400 (this color)
#6CAACC
oklch(70.9% 0.081 233.6)
-
Step 500
500
#3E93BE
oklch(63% 0.104 233.9)
-
Step 600
600
#0D7DAA
oklch(55.6% 0.112 233.3)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#065677
oklch(42.7% 0.087 233.8)
-
Step 900
900
#134760
oklch(37.7% 0.068 234)
-
Step 950
950
#0E2A38
oklch(27.1% 0.042 233.2)
#6CAACC 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) | #9AA8CE | 0.054 |
| Deuteranopia (no green cones) | #8C9ECC | 0.046 |
| Tritanopia (no blue cones) | #3FB3B5 | 0.061 |
| Achromatopsia (no color) | #A2A2A2 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CAACC
#6CAACC
oklch(70.9% 0.081 233.6)
- #CA9371
#CA9371
oklch(70.8% 0.082 52.7)
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 #6CAACC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.036
- Bluegrey #85A3B2 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.061
- Cool Grey #95A3A6 ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.069
Use #6CAACC 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.