#77C8FB
Closest named color: Lightblue (#7BC8F6). oklch(80% 0.108 237.8), rgb(119, 200, 251).
Aa
Black text reads best on this color (11.43:1).
About this color
#77C8FB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.108 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.008 away. Black text reads best on it, at 11.43:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.43:1 |
| White text | 1.83:1 |
Values
| HEX | #77C8FB |
| RGB | rgb(119, 200, 251) |
| HSL | hsl(203, 94%, 73%) |
| OKLCH | oklch(80% 0.108 237.8) |
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 #77C8FB | 1.83:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #77C8FB | 11.43:1 | AAA | Lc 69.6 | Content text, not long reading |
| #77C8FB text on white | 1.83:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #77C8FB text on black | 11.43:1 | AAA | Lc -68.3 | 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
#EDF7FE
oklch(97.1% 0.014 238)
-
Step 100
100
#D7EDFD
oklch(93.5% 0.032 239.4)
-
Step 200
200
#B5E0FC
oklch(88.5% 0.059 236.9)
-
Step 300
300 (this color)
#77C8FB
oklch(80% 0.108 237.8)
-
Step 400
400
#00ACF5
oklch(70.6% 0.156 237.8)
-
Step 500
500
#0094D3
oklch(63.2% 0.139 237.5)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#77C8FB 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) | #B1C7FD | 0.063 |
| Deuteranopia (no green cones) | #9FB9FA | 0.054 |
| Tritanopia (no blue cones) | #20D5D9 | 0.086 |
| Achromatopsia (no color) | #BFBFBF | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77C8FB
#77C8FB
oklch(80% 0.108 237.8)
- #F2AC77
#F2AC77
oklch(80% 0.107 57.6)
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 #77C8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.008
- Sky #82CAFC ΔE 0.012
- Light Sky Blue #87CEFA ΔE 0.024
- Sky Blue #87CEEB ΔE 0.036
- Vivid Sky Blue #4CC9F0 ΔE 0.038
- Carolina Blue #8AB8FE ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.050
- Baby Blue #A2CFFE ΔE 0.051
Use #77C8FB 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.