#77D9FF
Closest named color: Light Sky Blue (#87CEFA). oklch(83.9% 0.106 225.5), rgb(119, 217, 255).
Aa
Black text reads best on this color (13.15:1).
About this color
#77D9FF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.106 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.030 away. Black text reads best on it, at 13.15:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 13.15:1 |
| White text | 1.59:1 |
Values
| HEX | #77D9FF |
| RGB | rgb(119, 217, 255) |
| HSL | hsl(197, 100%, 73%) |
| OKLCH | oklch(83.9% 0.106 225.5) |
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 #77D9FF | 1.59:1 | Fails | Lc -30.2 | Non-text elements, placeholder text |
| Black text on #77D9FF | 13.15:1 | AAA | Lc 77.0 | Fine for body text |
| #77D9FF text on white | 1.59:1 | Fails | Lc 26.8 | Dividers and decoration only |
| #77D9FF text on black | 13.15:1 | AAA | Lc -76.2 | Fine for body text |
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
#D5EFFA
oklch(93.7% 0.031 225.1)
-
Step 200
200
#B0E2F7
oklch(88.5% 0.059 225.5)
-
Step 300
300 (this color)
#77D9FF
oklch(83.9% 0.106 225.5)
-
Step 400
400
#00B1E0
oklch(70.8% 0.135 225.5)
-
Step 500
500
#0097C0
oklch(63% 0.12 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#77D9FF 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) | #C4D5FF | 0.081 |
| Deuteranopia (no green cones) | #B1C6FF | 0.074 |
| Tritanopia (no blue cones) | #00E4E5 | 0.074 |
| Achromatopsia (no color) | #CDCDCD | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77D9FF
#77D9FF
oklch(83.9% 0.106 225.5)
- #FFB796
#FFB796
oklch(83.9% 0.095 45.6)
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 #77D9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.030
- Sky Blue #87CEEB ΔE 0.035
- Sky #82CAFC ΔE 0.039
- Lightblue #7BC8F6 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.055
- Vivid Sky Blue #4CC9F0 ΔE 0.059
- Light Blue #ADD8E6 ΔE 0.060
Use #77D9FF 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.