#68B1DF
Closest named color: Deep Sky Blue (#00BFFF). oklch(73.1% 0.099 237.9), rgb(104, 177, 223).
Aa
Black text reads best on this color (8.94:1).
About this color
#68B1DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.099 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.061 away. Black text reads best on it, at 8.94:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.94:1 |
| White text | 2.34:1 |
Values
| HEX | #68B1DF |
| RGB | rgb(104, 177, 223) |
| HSL | hsl(203, 65%, 64%) |
| OKLCH | oklch(73.1% 0.099 237.9) |
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 #68B1DF | 2.34:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #68B1DF | 8.94:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #68B1DF text on white | 2.34:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #68B1DF text on black | 8.94:1 | AAA | Lc -55.9 | 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
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300
#9CC7E4
oklch(80.9% 0.061 238)
-
Step 400
400 (this color)
#68B1DF
oklch(73.1% 0.099 237.9)
-
Step 500
500
#2793CD
oklch(63.1% 0.127 238.1)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#014768
oklch(37.8% 0.083 237.6)
-
Step 950
950
#072A3D
oklch(27.1% 0.052 237.4)
#68B1DF 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) | #9CB0E1 | 0.058 |
| Deuteranopia (no green cones) | #8CA4DE | 0.049 |
| Tritanopia (no blue cones) | #16BDC0 | 0.080 |
| Achromatopsia (no color) | #A9A9A9 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #68B1DF
#68B1DF
oklch(73.1% 0.099 237.9)
- #D79868
#D79868
oklch(73.1% 0.099 57.7)
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 #68B1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.061
- Vivid Sky Blue #4CC9F0 ΔE 0.064
- Greyblue #77A1B5 ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.068
- Lightblue #7BC8F6 ΔE 0.070
- Light Grey Blue #9DBCD4 ΔE 0.071
Use #68B1DF 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.