#3C77BC#3C77BC

#3C77BC is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.124 H 253.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3C77BC
RGB	rgb(60, 119, 188)
HSL	hsl(212, 52%, 49%)
HSV	hsv(212, 68%, 74%)
CMYK	cmyk(68.1%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.23, 3.46, -41.91)
CIE-LCH	lch(49.23, 42.05, 274.72°)
OKLab	oklab(56.28% -0.0344 -0.1191)
OKLCH	oklch(56.28% 0.124 253.9)
XYZ	xyz(17.5341, 17.7833, 50.0757)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C77BC #BC813C

analogous

#3CB7BC #3C77BC #413CBC

triadic

#3C77BC #BC3C77 #77BC3C

tetradic

#3C77BC #BC3CB7 #BC813C #3CBC41

square

#3C77BC #BC3CB7 #BC813C #3CBC41

split-complementary

#3C77BC #BC413C #B7BC3C

monochromatic

#1E3C5F #2D5A8E #3C77BC #6797CE #95B6DD

Accessibility & contrast

On white

4.61

#3C77BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3C77BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3C77BC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C77BC	#FFFFFF	#000000	##FFFFFF
##3C77BC	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587CBF

Deuteranopia (green-blind)

#4670BB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3c77bc;
/* rgb */ color: rgb(60, 119, 188);
/* oklch */ color: oklch(56.3% 0.124 253.9);

Tailwind

colors: {
  custom: {
    50: '#809dd0',
    500: '#3c77bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c77bc;
$custom-light: #809dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c77bc",
  "rgb": {
    "r": 60,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 212.344,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5628,
    "c": 0.12397,
    "h": 253.9
  },
  "luminance": 0.17785
}

Semantic roles & 50–950 ramp

primary

#3C77BC

secondary

#C9AC8B

accent

#994DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3C77BC

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

Preview Lab → · Contrast checker → · Palette generator →