#77ADD1
Closest named color: Greyblue (#77A1B5). oklch(72.3% 0.077 238.4), rgb(119, 173, 209).
Aa
Black text reads best on this color (8.68:1).
About this color
#77ADD1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.077 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.046 away. Black text reads best on it, at 8.68:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.68:1 |
| White text | 2.41:1 |
Values
| HEX | #77ADD1 |
| RGB | rgb(119, 173, 209) |
| HSL | hsl(204, 49%, 64%) |
| OKLCH | oklch(72.3% 0.077 238.4) |
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 #77ADD1 | 2.41:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #77ADD1 | 8.68:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #77ADD1 text on white | 2.41:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #77ADD1 text on black | 8.68:1 | AAA | Lc -54.5 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C6DD
oklch(81% 0.048 238.6)
-
Step 400
400 (this color)
#77ADD1
oklch(72.3% 0.077 238.4)
-
Step 500
500
#4A92BE
oklch(63.2% 0.098 237.9)
-
Step 600
600
#277BAB
oklch(55.6% 0.108 238.7)
-
Step 700
700
#186893
oklch(49.2% 0.1 238.3)
-
Step 800
800
#185577
oklch(42.8% 0.082 238.1)
-
Step 900
900
#1B4660
oklch(37.7% 0.065 238.5)
-
Step 950
950
#112938
oklch(26.9% 0.041 238.3)
#77ADD1 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) | #9DACD3 | 0.046 |
| Deuteranopia (no green cones) | #91A2D0 | 0.040 |
| Tritanopia (no blue cones) | #53B6B9 | 0.060 |
| Achromatopsia (no color) | #A7A7A7 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77ADD1
#77ADD1
oklch(72.3% 0.077 238.4)
- #CB9A75
#CB9A75
oklch(72.4% 0.078 58.2)
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 #77ADD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.064
- Cool Gray #8D99AE ΔE 0.064
- Cool Grey #95A3A6 ΔE 0.066
- Light Cornflower Blue #98C1D9 ΔE 0.070
Use #77ADD1 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.