#77C5EF
Closest named color: Lightblue (#7BC8F6). oklch(78.9% 0.098 233.4), rgb(119, 197, 239).
Aa
Black text reads best on this color (11.01:1).
About this color
#77C5EF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.098 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.013 away. Black text reads best on it, at 11.01:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.01:1 |
| White text | 1.90:1 |
Values
| HEX | #77C5EF |
| RGB | rgb(119, 197, 239) |
| HSL | hsl(201, 79%, 70%) |
| OKLCH | oklch(78.9% 0.098 233.4) |
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 #77C5EF | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #77C5EF | 11.01:1 | AAA | Lc 67.7 | Content text, not long reading |
| #77C5EF text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #77C5EF text on black | 11.01:1 | AAA | Lc -66.3 | 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
#EDF7FD
oklch(97% 0.013 233.7)
-
Step 100
100
#D8EEFA
oklch(93.7% 0.028 231.4)
-
Step 200
200
#B7E0F8
oklch(88.5% 0.054 233.9)
-
Step 300
300 (this color)
#77C5EF
oklch(78.9% 0.098 233.4)
-
Step 400
400
#00AEED
oklch(70.7% 0.147 233.5)
-
Step 500
500
#0095CC
oklch(63.1% 0.132 233.7)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#77C5EF 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) | #B1C3F1 | 0.065 |
| Deuteranopia (no green cones) | #A0B6EE | 0.056 |
| Tritanopia (no blue cones) | #34D0D3 | 0.073 |
| Achromatopsia (no color) | #BCBCBC | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77C5EF
#77C5EF
oklch(78.9% 0.098 233.4)
- #ECA97E
#ECA97E
oklch(78.9% 0.098 53.5)
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 #77C5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.013
- Sky #82CAFC ΔE 0.025
- Vivid Sky Blue #4CC9F0 ΔE 0.032
- Light Sky Blue #87CEFA ΔE 0.032
- Sky Blue #87CEEB ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.051
Use #77C5EF 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.