#6BB4E5
Closest named color: Carolina Blue (#8AB8FE). oklch(74.1% 0.102 239.5), rgb(107, 180, 229).
Aa
Black text reads best on this color (9.28:1).
About this color
#6BB4E5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.102 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.051 away. Black text reads best on it, at 9.28:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.28:1 |
| White text | 2.26:1 |
Values
| HEX | #6BB4E5 |
| RGB | rgb(107, 180, 229) |
| HSL | hsl(204, 70%, 66%) |
| OKLCH | oklch(74.1% 0.102 239.5) |
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 #6BB4E5 | 2.26:1 | Fails | Lc -49.3 | Large or bold text, headings |
| Black text on #6BB4E5 | 9.28:1 | AAA | Lc 59.5 | Large or bold text, headings |
| #6BB4E5 text on white | 2.26:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #6BB4E5 text on black | 9.28:1 | AAA | Lc -57.7 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEF
oklch(88.5% 0.036 240.3)
-
Step 300
300
#9BC7E6
oklch(80.9% 0.064 239.3)
-
Step 400
400 (this color)
#6BB4E5
oklch(74.1% 0.102 239.5)
-
Step 500
500
#2692CF
oklch(63% 0.13 239.5)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#01466A
oklch(37.6% 0.086 240.3)
-
Step 950
950
#07293E
oklch(26.9% 0.055 240.7)
#6BB4E5 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) | #9EB3E7 | 0.057 |
| Deuteranopia (no green cones) | #8DA7E4 | 0.047 |
| Tritanopia (no blue cones) | #19C0C4 | 0.082 |
| Achromatopsia (no color) | #ACACAC | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB4E5
#6BB4E5
oklch(74.1% 0.102 239.5)
- #DB9B68
#DB9B68
oklch(74.1% 0.102 58.9)
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 #6BB4E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.051
- Deep Sky Blue #00BFFF ΔE 0.056
- Vivid Sky Blue #4CC9F0 ΔE 0.056
- Lightblue #7BC8F6 ΔE 0.059
- Light Grey Blue #9DBCD4 ΔE 0.067
- Light Cornflower Blue #98C1D9 ΔE 0.067
- Sky #82CAFC ΔE 0.069
- Bright Sky Blue #02CCFE ΔE 0.071
Use #6BB4E5 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.