#3E75CF#3E75CF

#3E75CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.1% C 0.151 H 259.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3E75CF
RGB	rgb(62, 117, 207)
HSL	hsl(217, 60%, 53%)
HSV	hsv(217, 70%, 81%)
CMYK	cmyk(70%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.80, 11.82, -51.89)
CIE-LCH	lch(49.80, 53.22, 282.83°)
OKLab	oklab(57.08% -0.0268 -0.1484)
OKLCH	oklch(57.08% 0.151 259.8)
XYZ	xyz(19.6063, 18.2496, 61.5086)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E75CF #CF983E

analogous

#3EBECF #3E75CF #4F3ECF

triadic

#3E75CF #CF3E75 #75CF3E

tetradic

#3E75CF #CF3EBE #CF983E #3ECF4F

square

#3E75CF #CF3EBE #CF983E #3ECF4F

split-complementary

#3E75CF #CF4F3E #BECF3E

monochromatic

#1D3F75 #2959A6 #3E75CF #6F98DB #A0BBE7

Accessibility & contrast

On white

4.52

#3E75CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3E75CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E75CF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E75CF	#FFFFFF	#000000	##000000
##3E75CF	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ED2

Deuteranopia (green-blind)

#2F70CD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3e75cf;
/* rgb */ color: rgb(62, 117, 207);
/* oklch */ color: oklch(57.1% 0.151 259.8);

Tailwind

colors: {
  custom: {
    50: '#849cde',
    500: '#3e75cf',
    950: '#000000',
  },
}

SCSS

$custom: #3e75cf;
$custom-light: #849cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3e75cf",
  "rgb": {
    "r": 62,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 217.241,
    "s": 60.166,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57085,
    "c": 0.15077,
    "h": 259.8
  },
  "luminance": 0.18252
}

Semantic roles & 50–950 ramp

primary

#3E75CF

secondary

#D4BC95

accent

#A744E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3E75CF

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

Preview Lab → · Contrast checker → · Palette generator →