#3E75CB#3E75CB

#3E75CB is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.8% C 0.145 H 259.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3E75CB
RGB	rgb(62, 117, 203)
HSL	hsl(217, 58%, 52%)
HSV	hsv(217, 69%, 80%)
CMYK	cmyk(69.5%, 42.4%, 0%, 20.4%)
CIE-LAB	lab(49.56, 10.38, -49.98)
CIE-LCH	lch(49.56, 51.05, 281.73°)
OKLab	oklab(56.83% -0.0276 -0.1428)
OKLCH	oklch(56.83% 0.145 259.1)
XYZ	xyz(19.1235, 18.0565, 58.9658)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E75CB #CB943E

analogous

#3EBBCB #3E75CB #4E3ECB

triadic

#3E75CB #CB3E75 #75CB3E

tetradic

#3E75CB #CB3EBB #CB943E #3ECB4E

square

#3E75CB #CB3EBB #CB943E #3ECB4E

split-complementary

#3E75CB #CB4E3E #BBCB3E

monochromatic

#1E3E70 #2B59A1 #3E75CB #6E97D8 #9EBAE5

Accessibility & contrast

On white

4.55

#3E75CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3E75CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E75CB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E75CB	#FFFFFF	#000000	##000000
##3E75CB	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCE

Deuteranopia (green-blind)

#3470C9

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3e75cb;
/* rgb */ color: rgb(62, 117, 203);
/* oklch */ color: oklch(56.8% 0.145 259.1);

Tailwind

colors: {
  custom: {
    50: '#839cdb',
    500: '#3e75cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e75cb;
$custom-light: #839cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3e75cb",
  "rgb": {
    "r": 62,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 216.596,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56829,
    "c": 0.1454,
    "h": 259.1
  },
  "luminance": 0.18059
}

Semantic roles & 50–950 ramp

primary

#3E75CB

secondary

#D1B994

accent

#A547E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E75CB

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

Preview Lab → · Contrast checker → · Palette generator →