#3C75CB#3C75CB

#3C75CB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.7% C 0.146 H 258.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3C75CB
RGB	rgb(60, 117, 203)
HSL	hsl(216, 58%, 52%)
HSV	hsv(216, 70%, 80%)
CMYK	cmyk(70.4%, 42.4%, 0%, 20.4%)
CIE-LAB	lab(49.49, 10.08, -50.11)
CIE-LCH	lch(49.49, 51.11, 281.38°)
OKLab	oklab(56.75% -0.0291 -0.1432)
OKLCH	oklch(56.75% 0.146 258.5)
XYZ	xyz(19.0004, 17.9930, 58.9600)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C75CB #CB923C

analogous

#3CBDCB #3C75CB #4B3CCB

triadic

#3C75CB #CB3C75 #75CB3C

tetradic

#3C75CB #CB3CBD #CB923C #3CCB4B

square

#3C75CB #CB3CBD #CB923C #3CCB4B

split-complementary

#3C75CB #CB4B3C #BDCB3C

monochromatic

#1E3E6F #2A599F #3C75CB #6C97D8 #9DB9E5

Accessibility & contrast

On white

4.57

#3C75CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3C75CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C75CB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C75CB	#FFFFFF	#000000	##000000
##3C75CB	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCE

Deuteranopia (green-blind)

#3370C9

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3c75cb;
/* rgb */ color: rgb(60, 117, 203);
/* oklch */ color: oklch(56.7% 0.146 258.5);

Tailwind

colors: {
  custom: {
    50: '#829cdb',
    500: '#3c75cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c75cb;
$custom-light: #829cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3c75cb",
  "rgb": {
    "r": 60,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 216.084,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56748,
    "c": 0.14608,
    "h": 258.5
  },
  "luminance": 0.17995
}

Semantic roles & 50–950 ramp

primary

#3C75CB

secondary

#D1B892

accent

#A447E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C75CB

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

Preview Lab → · Contrast checker → · Palette generator →