#77D5FF
Closest named color: Light Sky Blue (#87CEFA). oklch(83.1% 0.107 229), rgb(119, 213, 255).
Aa
Black text reads best on this color (12.74:1).
About this color
#77D5FF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.107 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.021 away. Black text reads best on it, at 12.74:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.74:1 |
| White text | 1.64:1 |
Values
| HEX | #77D5FF |
| RGB | rgb(119, 213, 255) |
| HSL | hsl(199, 100%, 73%) |
| OKLCH | oklch(83.1% 0.107 229) |
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 #77D5FF | 1.64:1 | Fails | Lc -32.1 | Non-text elements, placeholder text |
| Black text on #77D5FF | 12.74:1 | AAA | Lc 75.3 | Fine for body text |
| #77D5FF text on white | 1.64:1 | Fails | Lc 28.5 | Dividers and decoration only |
| #77D5FF text on black | 12.74:1 | AAA | Lc -74.4 | Content text, not long reading |
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 300.
-
Step 50
50
#ECF8FD
oklch(97.2% 0.014 224.5)
-
Step 100
100
#D6EEFB
oklch(93.5% 0.031 231.3)
-
Step 200
200
#B1E1F9
oklch(88.4% 0.06 229.9)
-
Step 300
300 (this color)
#77D5FF
oklch(83.1% 0.107 229)
-
Step 400
400
#00B0E5
oklch(70.8% 0.139 228.7)
-
Step 500
500
#0097C5
oklch(63.2% 0.124 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#77D5FF 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) | #BFD2FF | 0.076 |
| Deuteranopia (no green cones) | #ACC3FE | 0.068 |
| Tritanopia (no blue cones) | #06E1E3 | 0.077 |
| Achromatopsia (no color) | #C9C9C9 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77D5FF
#77D5FF
oklch(83.1% 0.107 229)
- #FFB38B
#FFB38B
oklch(83% 0.104 48.6)
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 #77D5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.021
- Sky #82CAFC ΔE 0.029
- Sky Blue #87CEEB ΔE 0.030
- Lightblue #7BC8F6 ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.043
- Vivid Sky Blue #4CC9F0 ΔE 0.052
- Bright Sky Blue #02CCFE ΔE 0.062
- Aqua Blue #02D8E9 ΔE 0.064
Use #77D5FF 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.