#6BB4DE
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(73.8% 0.095 235.3), rgb(107, 180, 222).
Aa
Black text reads best on this color (9.20:1).
About this color
#6BB4DE is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.095 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.057 away. Black text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.20:1 |
| White text | 2.28:1 |
Values
| HEX | #6BB4DE |
| RGB | rgb(107, 180, 222) |
| HSL | hsl(202, 64%, 65%) |
| OKLCH | oklch(73.8% 0.095 235.3) |
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 #6BB4DE | 2.28:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #6BB4DE | 9.20:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #6BB4DE text on white | 2.28:1 | Fails | Lc 44.8 | Non-text elements, placeholder text |
| #6BB4DE text on black | 9.20:1 | AAA | Lc -57.3 | 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
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C5DDEC
oklch(88.4% 0.033 235.2)
-
Step 300
300
#9CC7E2
oklch(80.8% 0.059 236)
-
Step 400
400 (this color)
#6BB4DE
oklch(73.8% 0.095 235.3)
-
Step 500
500
#2894C8
oklch(63.1% 0.121 235.1)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#024765
oklch(37.6% 0.079 235.3)
-
Step 950
950
#072A3B
oklch(27% 0.05 234.4)
#6BB4DE 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) | #A0B3E0 | 0.059 |
| Deuteranopia (no green cones) | #90A6DD | 0.052 |
| Tritanopia (no blue cones) | #26BFC2 | 0.074 |
| Achromatopsia (no color) | #ACACAC | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB4DE
#6BB4DE
oklch(73.8% 0.095 235.3)
- #D99A6F
#D99A6F
oklch(73.8% 0.095 55)
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 #6BB4DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.059
- Deep Sky Blue #00BFFF ΔE 0.061
- Lightblue #7BC8F6 ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.063
- Light Cornflower Blue #98C1D9 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.069
Use #6BB4DE 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.