#77BBF1
Closest named color: Carolina Blue (#8AB8FE). oklch(76.8% 0.104 243.7), rgb(119, 187, 241).
Aa
Black text reads best on this color (10.16:1).
About this color
#77BBF1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.104 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.031 away. Black text reads best on it, at 10.16:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.16:1 |
| White text | 2.06:1 |
Values
| HEX | #77BBF1 |
| RGB | rgb(119, 187, 241) |
| HSL | hsl(207, 81%, 71%) |
| OKLCH | oklch(76.8% 0.104 243.7) |
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 #77BBF1 | 2.06:1 | Fails | Lc -44.7 | Non-text elements, placeholder text |
| Black text on #77BBF1 | 10.16:1 | AAA | Lc 63.7 | Content text, not long reading |
| #77BBF1 text on white | 2.06:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #77BBF1 text on black | 10.16:1 | AAA | Lc -62.1 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#DAEDFD
oklch(93.7% 0.03 243.4)
-
Step 200
200
#B9DEFD
oklch(88.4% 0.058 243.7)
-
Step 300
300 (this color)
#77BBF1
oklch(76.8% 0.104 243.7)
-
Step 400
400
#1EA9FF
oklch(70.7% 0.166 243.7)
-
Step 500
500
#0091DF
oklch(63.2% 0.154 243.6)
-
Step 600
600
#0079BC
oklch(55.5% 0.136 243.9)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#77BBF1 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) | #A4BBF4 | 0.051 |
| Deuteranopia (no green cones) | #94AFF0 | 0.042 |
| Tritanopia (no blue cones) | #35C8CD | 0.087 |
| Achromatopsia (no color) | #B4B4B4 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77BBF1
#77BBF1
oklch(76.8% 0.104 243.7)
- #E2A56B
#E2A56B
oklch(76.7% 0.104 63.8)
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 #77BBF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.031
- Lightblue #7BC8F6 ΔE 0.035
- Sky #82CAFC ΔE 0.043
- Vivid Sky Blue #4CC9F0 ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.054
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Light Sky Blue #87CEFA ΔE 0.055
- Deep Sky Blue #00BFFF ΔE 0.057
Use #77BBF1 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.