#4379BF#4379BF

#4379BF is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.2% C 0.123 H 255.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4379BF
RGB	rgb(67, 121, 191)
HSL	hsl(214, 49%, 51%)
HSV	hsv(214, 65%, 75%)
CMYK	cmyk(64.9%, 36.6%, 0%, 25.1%)
CIE-LAB	lab(50.25, 4.49, -42.01)
CIE-LCH	lch(50.25, 42.24, 276.10°)
OKLab	oklab(57.2% -0.0304 -0.1193)
OKLCH	oklch(57.2% 0.123 255.7)
XYZ	xyz(18.5527, 18.6278, 51.8979)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379BF #BF8943

analogous

#43B7BF #4379BF #4B43BF

triadic

#4379BF #BF4379 #79BF43

tetradic

#4379BF #BF43B7 #BF8943 #43BF4B

square

#4379BF #BF43B7 #BF8943 #43BF4B

split-complementary

#4379BF #BF4B43 #B7BF43

monochromatic

#223F65 #325C93 #4379BF #719ACF #9EBADE

Accessibility & contrast

On white

4.44

#4379BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4379BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379BF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379BF	#FFFFFF	#000000	##000000
##4379BF	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC2

Deuteranopia (green-blind)

#4972BE

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4379bf;
/* rgb */ color: rgb(67, 121, 191);
/* oklch */ color: oklch(57.2% 0.123 255.7);

Tailwind

colors: {
  custom: {
    50: '#839fd2',
    500: '#4379bf',
    950: '#000000',
  },
}

SCSS

$custom: #4379bf;
$custom-light: #839fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4379bf",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 191
  },
  "hsl": {
    "h": 213.871,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57202,
    "c": 0.12307,
    "h": 255.7
  },
  "luminance": 0.1863
}

Semantic roles & 50–950 ramp

primary

#4379BF

secondary

#CAB293

accent

#9D4FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4379BF

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

Preview Lab → · Contrast checker → · Palette generator →