#3B77CE#3B77CE

#3B77CE is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.3% C 0.148 H 257.9°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3B77CE
RGB	rgb(59, 119, 206)
HSL	hsl(216, 60%, 52%)
HSV	hsv(216, 71%, 81%)
CMYK	cmyk(71.4%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(50.19, 9.78, -50.70)
CIE-LCH	lch(50.19, 51.63, 280.92°)
OKLab	oklab(57.34% -0.031 -0.1449)
OKLCH	oklch(57.34% 0.148 257.9)
XYZ	xyz(19.5370, 18.5776, 60.9367)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77CE #CE923B

analogous

#3BC1CE #3B77CE #493BCE

triadic

#3B77CE #CE3B77 #77CE3B

tetradic

#3B77CE #CE3BC1 #CE923B #3BCE49

square

#3B77CE #CE3BC1 #CE923B #3BCE49

split-complementary

#3B77CE #CE493B #C1CE3B

monochromatic

#1D3F72 #295BA3 #3B77CE #6C99DA #9DBBE6

Accessibility & contrast

On white

4.45

#3B77CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3B77CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77CE

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77CE	#FFFFFF	#000000	##000000
##3B77CE	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7FD1

Deuteranopia (green-blind)

#3471CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3b77ce;
/* rgb */ color: rgb(59, 119, 206);
/* oklch */ color: oklch(57.3% 0.148 257.9);

Tailwind

colors: {
  custom: {
    50: '#829ddd',
    500: '#3b77ce',
    950: '#000000',
  },
}

SCSS

$custom: #3b77ce;
$custom-light: #829ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77ce",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 215.51,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57337,
    "c": 0.14817,
    "h": 257.9
  },
  "luminance": 0.1858
}

Semantic roles & 50–950 ramp

primary

#3B77CE

secondary

#D3B892

accent

#A245E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B77CE

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

Preview Lab → · Contrast checker → · Palette generator →