#68ACE0
Closest named color: Greyblue (#77A1B5). oklch(72% 0.103 242.9), rgb(104, 172, 224).
Aa
Black text reads best on this color (8.56:1).
About this color
#68ACE0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.103 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.062 away. Black text reads best on it, at 8.56:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.56:1 |
| White text | 2.45:1 |
Values
| HEX | #68ACE0 |
| RGB | rgb(104, 172, 224) |
| HSL | hsl(206, 66%, 64%) |
| OKLCH | oklch(72% 0.103 242.9) |
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 #68ACE0 | 2.45:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #68ACE0 | 8.56:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #68ACE0 text on white | 2.45:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #68ACE0 text on black | 8.56:1 | AAA | Lc -53.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200
#C6DDEF
oklch(88.6% 0.035 241.5)
-
Step 300
300
#9DC6E7
oklch(80.8% 0.064 242.9)
-
Step 400
400 (this color)
#68ACE0
oklch(72% 0.103 242.9)
-
Step 500
500
#3091D2
oklch(63.1% 0.131 242.8)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#09466B
oklch(37.8% 0.085 242.5)
-
Step 950
950
#09293F
oklch(27% 0.055 243)
#68ACE0 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) | #95ACE2 | 0.051 |
| Deuteranopia (no green cones) | #85A0DF | 0.042 |
| Tritanopia (no blue cones) | #18B9BE | 0.085 |
| Achromatopsia (no color) | #A5A5A5 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #68ACE0
#68ACE0
oklch(72% 0.103 242.9)
- #D2965E
#D2965E
oklch(72% 0.102 63)
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 #68ACE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.065
- Deep Sky Blue #00BFFF ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.071
- Turquoise Blue #06B1C4 ΔE 0.072
- Bluey Grey #89A0B0 ΔE 0.073
- Vivid Sky Blue #4CC9F0 ΔE 0.076
Use #68ACE0 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.