#3C77DF#3C77DF

#3C77DF is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.5% C 0.170 H 260.8°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3C77DF
RGB	rgb(60, 119, 223)
HSL	hsl(218, 72%, 55%)
HSV	hsv(218, 73%, 87%)
CMYK	cmyk(73.1%, 46.6%, 0%, 12.5%)
CIE-LAB	lab(51.24, 16.10, -58.64)
CIE-LCH	lch(51.24, 60.81, 285.35°)
OKLab	oklab(58.49% -0.0273 -0.1682)
OKLCH	oklch(58.49% 0.17 260.8)
XYZ	xyz(21.7748, 19.4796, 72.4101)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C77DF #DFA43C

analogous

#3CC9DF #3C77DF #523CDF

triadic

#3C77DF #DF3C77 #77DF3C

tetradic

#3C77DF #DF3CC9 #DFA43C #3CDF52

square

#3C77DF #DF3CC9 #DFA43C #3CDF52

split-complementary

#3C77DF #DF523C #C9DF3C

monochromatic

#17408A #1F59BF #3C77DF #719CE8 #A5C0F0

Accessibility & contrast

On white

4.29

#3C77DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#3C77DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C77DF

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C77DF	#FFFFFF	#000000	##000000
##3C77DF	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F82E3

Deuteranopia (green-blind)

#1473DD

Tritanopia (blue-blind)

#0090A0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3c77df;
/* rgb */ color: rgb(60, 119, 223);
/* oklch */ color: oklch(58.5% 0.170 260.8);

Tailwind

colors: {
  custom: {
    50: '#869dea',
    500: '#3c77df',
    950: '#000000',
  },
}

SCSS

$custom: #3c77df;
$custom-light: #869dea;
$custom-dark: #000000;

JSON

{
  "hex": "#3c77df",
  "rgb": {
    "r": 60,
    "g": 119,
    "b": 223
  },
  "hsl": {
    "h": 218.282,
    "s": 71.806,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58489,
    "c": 0.17041,
    "h": 260.8
  },
  "luminance": 0.19482
}

Semantic roles & 50–950 ramp

primary

#3C77DF

secondary

#DDC599

accent

#AD39EF

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3C77DF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →