#77BBE4
Closest named color: Lightblue (#7BC8F6). oklch(76.2% 0.091 236.2), rgb(119, 187, 228).
Aa
Black text reads best on this color (10.01:1).
About this color
#77BBE4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.091 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.039 away. Black text reads best on it, at 10.01:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.01:1 |
| White text | 2.09:1 |
Values
| HEX | #77BBE4 |
| RGB | rgb(119, 187, 228) |
| HSL | hsl(203, 67%, 68%) |
| OKLCH | oklch(76.2% 0.091 236.2) |
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 #77BBE4 | 2.09:1 | Fails | Lc -45.5 | Large or bold text, headings |
| Black text on #77BBE4 | 10.01:1 | AAA | Lc 63.0 | Content text, not long reading |
| #77BBE4 text on white | 2.09:1 | Fails | Lc 40.9 | Non-text elements, placeholder text |
| #77BBE4 text on black | 10.01:1 | AAA | Lc -61.3 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#DAEDF9
oklch(93.6% 0.026 235.4)
-
Step 200
200
#BADFF6
oklch(88.4% 0.05 235.4)
-
Step 300
300 (this color)
#77BBE4
oklch(76.2% 0.091 236.2)
-
Step 400
400
#21ADEE
oklch(70.8% 0.145 235.9)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#77BBE4 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) | #A8BAE6 | 0.056 |
| Deuteranopia (no green cones) | #99AEE3 | 0.048 |
| Tritanopia (no blue cones) | #42C6C8 | 0.072 |
| Achromatopsia (no color) | #B3B3B3 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77BBE4
#77BBE4
oklch(76.2% 0.091 236.2)
- #DFA379
#DFA379
oklch(76.3% 0.091 55.9)
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 #77BBE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.039
- Vivid Sky Blue #4CC9F0 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.047
- Carolina Blue #8AB8FE ΔE 0.047
- Sky #82CAFC ΔE 0.050
- Sky Blue #87CEEB ΔE 0.056
- Light Sky Blue #87CEFA ΔE 0.059
Use #77BBE4 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.