#68B5EB
Closest named color: Carolina Blue (#8AB8FE). oklch(74.5% 0.109 240.9), rgb(104, 181, 235).
Aa
Black text reads best on this color (9.39:1).
About this color
#68B5EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.109 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.047 away. Black text reads best on it, at 9.39:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.39:1 |
| White text | 2.23:1 |
Values
| HEX | #68B5EB |
| RGB | rgb(104, 181, 235) |
| HSL | hsl(205, 77%, 66%) |
| OKLCH | oklch(74.5% 0.109 240.9) |
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 #68B5EB | 2.23:1 | Fails | Lc -48.6 | Large or bold text, headings |
| Black text on #68B5EB | 9.39:1 | AAA | Lc 60.1 | Content text, not long reading |
| #68B5EB text on white | 2.23:1 | Fails | Lc 43.9 | Non-text elements, placeholder text |
| #68B5EB text on black | 9.39:1 | AAA | Lc -58.3 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDF0
oklch(88.5% 0.037 240.7)
-
Step 300
300
#99C7E9
oklch(80.9% 0.068 240.7)
-
Step 400
400 (this color)
#68B5EB
oklch(74.5% 0.109 240.9)
-
Step 500
500
#1A92D5
oklch(63.1% 0.14 240.8)
-
Step 600
600
#007BB7
oklch(55.7% 0.129 240.7)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466B
oklch(37.7% 0.087 240.8)
-
Step 950
950
#052940
oklch(26.9% 0.058 242)
#68B5EB 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) | #9DB5EE | 0.058 |
| Deuteranopia (no green cones) | #8BA7EA | 0.049 |
| Tritanopia (no blue cones) | #00C2C7 | 0.087 |
| Achromatopsia (no color) | #ADADAD | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #68B5EB
#68B5EB
oklch(74.5% 0.109 240.9)
- #DF9C62
#DF9C62
oklch(74.6% 0.109 60.8)
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 #68B5EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.047
- Deep Sky Blue #00BFFF ΔE 0.050
- Vivid Sky Blue #4CC9F0 ΔE 0.054
- Lightblue #7BC8F6 ΔE 0.057
- Sky #82CAFC ΔE 0.066
- Bright Sky Blue #02CCFE ΔE 0.067
- Light Cornflower Blue #98C1D9 ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.071
Use #68B5EB 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.