#77B1DB
Closest named color: Carolina Blue (#8AB8FE). oklch(73.6% 0.086 240.9), rgb(119, 177, 219).
Aa
Black text reads best on this color (9.09:1).
About this color
#77B1DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.086 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.057 away. Black text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.09:1 |
| White text | 2.30:1 |
Values
| HEX | #77B1DB |
| RGB | rgb(119, 177, 219) |
| HSL | hsl(205, 58%, 66%) |
| OKLCH | oklch(73.6% 0.086 240.9) |
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 #77B1DB | 2.30:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #77B1DB | 9.09:1 | AAA | Lc 58.5 | Large or bold text, headings |
| #77B1DB text on white | 2.30:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #77B1DB text on black | 9.09:1 | AAA | Lc -56.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C8DCEB
oklch(88.4% 0.03 240.2)
-
Step 300
300
#A2C6E1
oklch(80.9% 0.054 240.8)
-
Step 400
400 (this color)
#77B1DB
oklch(73.6% 0.086 240.9)
-
Step 500
500
#4391C5
oklch(63% 0.11 240.8)
-
Step 600
600
#1C7BB2
oklch(55.7% 0.119 240.6)
-
Step 700
700
#096799
oklch(49.1% 0.111 240.8)
-
Step 800
800
#10547C
oklch(42.7% 0.092 241)
-
Step 900
900
#174664
oklch(37.8% 0.072 240.7)
-
Step 950
950
#0F293A
oklch(26.9% 0.045 240)
#77B1DB 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) | #9FB1DD | 0.047 |
| Deuteranopia (no green cones) | #91A6DA | 0.039 |
| Tritanopia (no blue cones) | #4BBBBF | 0.069 |
| Achromatopsia (no color) | #ABABAB | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77B1DB
#77B1DB
oklch(73.6% 0.086 240.9)
- #D29D71
#D29D71
oklch(73.6% 0.087 60.6)
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 #77B1DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.057
- Light Grey Blue #9DBCD4 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.061
- Greyblue #77A1B5 ΔE 0.062
- Light Cornflower Blue #98C1D9 ΔE 0.062
- Cool Steel #97A7B3 ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.066
- Vivid Sky Blue #4CC9F0 ΔE 0.067
Use #77B1DB 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.