#6BB9CF
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(74.4% 0.083 218.1), rgb(107, 185, 207).
Aa
Black text reads best on this color (9.46:1).
About this color
#6BB9CF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.083 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.055 away. Black text reads best on it, at 9.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #6BB9CF |
| RGB | rgb(107, 185, 207) |
| HSL | hsl(193, 51%, 62%) |
| OKLCH | oklch(74.4% 0.083 218.1) |
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 #6BB9CF | 2.21:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #6BB9CF | 9.46:1 | AAA | Lc 60.4 | Content text, not long reading |
| #6BB9CF text on white | 2.21:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #6BB9CF text on black | 9.46:1 | AAA | Lc -58.6 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C5DEE6
oklch(88.5% 0.029 219)
-
Step 300
300
#9BC9D7
oklch(80.8% 0.052 218.4)
-
Step 400
400 (this color)
#6BB9CF
oklch(74.4% 0.083 218.1)
-
Step 500
500
#2098B4
oklch(63% 0.106 218.3)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#062B35
oklch(26.9% 0.044 220.1)
#6BB9CF 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) | #ABB5D0 | 0.073 |
| Deuteranopia (no green cones) | #9BA9CF | 0.065 |
| Tritanopia (no blue cones) | #35C1C0 | 0.051 |
| Achromatopsia (no color) | #AEAEAE | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB9CF
#6BB9CF
oklch(74.4% 0.083 218.1)
- #DA9A86
#DA9A86
oklch(74.3% 0.083 38.1)
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 #6BB9CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.057
- Light Grey Blue #9DBCD4 ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.065
- Lightblue #7BC8F6 ΔE 0.066
- Greyblue #77A1B5 ΔE 0.066
Use #6BB9CF 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.