#3E77CB#3E77CB

#3E77CB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.143 H 258.1°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3E77CB
RGB	rgb(62, 119, 203)
HSL	hsl(216, 58%, 52%)
HSV	hsv(216, 69%, 80%)
CMYK	cmyk(69.5%, 41.4%, 0%, 20.4%)
CIE-LAB	lab(50.13, 9.14, -49.08)
CIE-LCH	lch(50.13, 49.92, 280.55°)
OKLab	oklab(57.27% -0.0295 -0.1401)
OKLCH	oklch(57.27% 0.143 258.1)
XYZ	xyz(19.3590, 18.5276, 59.0443)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E77CB #CB923E

analogous

#3EBDCB #3E77CB #4C3ECB

triadic

#3E77CB #CB3E77 #77CB3E

tetradic

#3E77CB #CB3EBD #CB923E #3ECB4C

square

#3E77CB #CB3EBD #CB923E #3ECB4C

split-complementary

#3E77CB #CB4C3E #BDCB3E

monochromatic

#1E3F70 #2B5BA1 #3E77CB #6E99D8 #9EBBE5

Accessibility & contrast

On white

4.46

#3E77CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3E77CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E77CB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E77CB	#FFFFFF	#000000	##000000
##3E77CB	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7ECE

Deuteranopia (green-blind)

#3971C9

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3e77cb;
/* rgb */ color: rgb(62, 119, 203);
/* oklch */ color: oklch(57.3% 0.143 258.1);

Tailwind

colors: {
  custom: {
    50: '#839ddb',
    500: '#3e77cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e77cb;
$custom-light: #839ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#3e77cb",
  "rgb": {
    "r": 62,
    "g": 119,
    "b": 203
  },
  "hsl": {
    "h": 215.745,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57267,
    "c": 0.14314,
    "h": 258.1
  },
  "luminance": 0.1853
}

Semantic roles & 50–950 ramp

primary

#3E77CB

secondary

#D1B894

accent

#A347E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E77CB

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

Preview Lab → · Contrast checker → · Palette generator →