#3C77B3#3C77B3

#3C77B3 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.112 H 250.9°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3C77B3
RGB	rgb(60, 119, 179)
HSL	hsl(210, 50%, 47%)
HSV	hsv(210, 66%, 70%)
CMYK	cmyk(66.5%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(48.77, 0.27, -37.44)
CIE-LCH	lch(48.77, 37.44, 270.42°)
OKLab	oklab(55.77% -0.0368 -0.106)
OKLCH	oklch(55.77% 0.112 250.9)
XYZ	xyz(16.5940, 17.4073, 45.1245)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C77B3 #B3783C

analogous

#3CB3B3 #3C77B3 #3C3CB3

triadic

#3C77B3 #B33C77 #77B33C

tetradic

#3C77B3 #B33CB3 #B3783C #3CB33C

square

#3C77B3 #B33CB3 #B3783C #3CB33C

split-complementary

#3C77B3 #B33C3C #B3B33C

monochromatic

#1D3A57 #2D5985 #3C77B3 #6296CA #90B4DA

Accessibility & contrast

On white

4.69

#3C77B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3C77B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C77B3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C77B3	#FFFFFF	#000000	##FFFFFF
##3C77B3	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB6

Deuteranopia (green-blind)

#4C6FB2

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3c77b3;
/* rgb */ color: rgb(60, 119, 179);
/* oklch */ color: oklch(55.8% 0.112 250.9);

Tailwind

colors: {
  custom: {
    50: '#7e9dca',
    500: '#3c77b3',
    950: '#000000',
  },
}

SCSS

$custom: #3c77b3;
$custom-light: #7e9dca;
$custom-dark: #000000;

JSON

{
  "hex": "#3c77b3",
  "rgb": {
    "r": 60,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 210.252,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55766,
    "c": 0.11226,
    "h": 250.9
  },
  "luminance": 0.17409
}

Semantic roles & 50–950 ramp

primary

#3C77B3

secondary

#C5A686

accent

#944ED9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3C77B3

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

Preview Lab → · Contrast checker → · Palette generator →