#3C74CB#3C74CB

#3C74CB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.5% C 0.147 H 259.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3C74CB
RGB	rgb(60, 116, 203)
HSL	hsl(217, 58%, 52%)
HSV	hsv(217, 70%, 80%)
CMYK	cmyk(70.4%, 42.9%, 0%, 20.4%)
CIE-LAB	lab(49.21, 10.70, -50.56)
CIE-LCH	lch(49.21, 51.68, 281.95°)
OKLab	oklab(56.53% -0.0281 -0.1445)
OKLCH	oklch(56.53% 0.147 259)
XYZ	xyz(18.8845, 17.7612, 58.9214)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C74CB #CB933C

analogous

#3CBCCB #3C74CB #4B3CCB

triadic

#3C74CB #CB3C74 #74CB3C

tetradic

#3C74CB #CB3CBC #CB933C #3CCB4B

square

#3C74CB #CB3CBC #CB933C #3CCB4B

split-complementary

#3C74CB #CB4B3C #BCCB3C

monochromatic

#1E3D6F #2A589F #3C74CB #6C96D8 #9DB9E5

Accessibility & contrast

On white

4.61

#3C74CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3C74CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3C74CB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C74CB	#FFFFFF	#000000	##FFFFFF
##3C74CB	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCE

Deuteranopia (green-blind)

#316FC9

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3c74cb;
/* rgb */ color: rgb(60, 116, 203);
/* oklch */ color: oklch(56.5% 0.147 259.0);

Tailwind

colors: {
  custom: {
    50: '#829bdb',
    500: '#3c74cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c74cb;
$custom-light: #829bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3c74cb",
  "rgb": {
    "r": 60,
    "g": 116,
    "b": 203
  },
  "hsl": {
    "h": 216.503,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5653,
    "c": 0.14723,
    "h": 259
  },
  "luminance": 0.17763
}

Semantic roles & 50–950 ramp

primary

#3C74CB

secondary

#D1B892

accent

#A547E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C74CB

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

Preview Lab → · Contrast checker → · Palette generator →