#77A5EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72% 0.12 259.6), rgb(119, 165, 239).
Aa
Black text reads best on this color (8.41:1).
About this color
#77A5EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.120 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.047 away. Black text reads best on it, at 8.41:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #77A5EF |
| RGB | rgb(119, 165, 239) |
| HSL | hsl(217, 79%, 70%) |
| OKLCH | oklch(72% 0.12 259.6) |
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 #77A5EF | 2.49:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #77A5EF | 8.41:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #77A5EF text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #77A5EF text on black | 8.41:1 | AAA | Lc -53.1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF9
oklch(93.7% 0.021 259.2)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A4C2F1
oklch(80.8% 0.074 259.3)
-
Step 400
400 (this color)
#77A5EF
oklch(72% 0.12 259.6)
-
Step 500
500
#4E88E4
oklch(63.1% 0.152 259.3)
-
Step 600
600
#316FD2
oklch(55.5% 0.166 259.5)
-
Step 700
700
#245CB6
oklch(49% 0.154 259.7)
-
Step 800
800
#1F4C94
oklch(42.7% 0.129 259.5)
-
Step 900
900
#1F4076
oklch(37.7% 0.1 259.8)
-
Step 950
950
#132645
oklch(27.1% 0.063 259.7)
#77A5EF 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) | #88AAF2 | 0.025 |
| Deuteranopia (no green cones) | #7A9FED | 0.015 |
| Tritanopia (no blue cones) | #3EB5BF | 0.107 |
| Achromatopsia (no color) | #A4A4A4 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77A5EF
#77A5EF
oklch(72% 0.12 259.6)
- #CC9B43
#CC9B43
oklch(71.9% 0.119 79.4)
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 #77A5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.067
- Lavender Blue #8B88F8 ΔE 0.080
- Deep Sky Blue #00BFFF ΔE 0.082
- Soft Blue #6488EA ΔE 0.082
Use #77A5EF 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.