#6BB4E1
Closest named color: Carolina Blue (#8AB8FE). oklch(74% 0.098 237.2), rgb(107, 180, 225).
Aa
Black text reads best on this color (9.24:1).
About this color
#6BB4E1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.098 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.056 away. Black text reads best on it, at 9.24:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.24:1 |
| White text | 2.27:1 |
Values
| HEX | #6BB4E1 |
| RGB | rgb(107, 180, 225) |
| HSL | hsl(203, 66%, 65%) |
| OKLCH | oklch(74% 0.098 237.2) |
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 #6BB4E1 | 2.27:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #6BB4E1 | 9.24:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #6BB4E1 text on white | 2.27:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #6BB4E1 text on black | 9.24:1 | AAA | Lc -57.5 | 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
#C5DDED
oklch(88.5% 0.034 237)
-
Step 300
300
#9CC7E4
oklch(80.9% 0.061 238)
-
Step 400
400 (this color)
#6BB4E1
oklch(74% 0.098 237.2)
-
Step 500
500
#2793CB
oklch(63% 0.125 237.2)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#024767
oklch(37.7% 0.081 237)
-
Step 950
950
#072A3C
oklch(27% 0.051 235.9)
#6BB4E1 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) | #9FB3E3 | 0.058 |
| Deuteranopia (no green cones) | #8FA6E0 | 0.051 |
| Tritanopia (no blue cones) | #21C0C3 | 0.078 |
| Achromatopsia (no color) | #ACACAC | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB4E1
#6BB4E1
oklch(74% 0.098 237.2)
- #DA9B6C
#DA9B6C
oklch(74% 0.098 57.3)
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 #6BB4E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.056
- Vivid Sky Blue #4CC9F0 ΔE 0.056
- Deep Sky Blue #00BFFF ΔE 0.059
- Lightblue #7BC8F6 ΔE 0.061
- Light Grey Blue #9DBCD4 ΔE 0.065
- Light Cornflower Blue #98C1D9 ΔE 0.066
- Greyblue #77A1B5 ΔE 0.070
- Sky #82CAFC ΔE 0.071
Use #6BB4E1 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.