#4579BF#4579BF

#4579BF is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.3% C 0.122 H 256.4°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4579BF
RGB	rgb(69, 121, 191)
HSL	hsl(214, 49%, 51%)
HSV	hsv(214, 64%, 75%)
CMYK	cmyk(63.9%, 36.6%, 0%, 25.1%)
CIE-LAB	lab(50.33, 4.84, -41.87)
CIE-LCH	lch(50.33, 42.15, 276.60°)
OKLab	oklab(57.29% -0.0288 -0.1188)
OKLCH	oklch(57.29% 0.122 256.4)
XYZ	xyz(18.6922, 18.6998, 51.9045)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579BF #BF8B45

analogous

#45B6BF #4579BF #4E45BF

triadic

#4579BF #BF4579 #79BF45

tetradic

#4579BF #BF45B6 #BF8B45 #45BF4E

square

#4579BF #BF45B6 #BF8B45 #45BF4E

split-complementary

#4579BF #BF4E45 #B6BF45

monochromatic

#234066 #335C94 #4579BF #739ACF #A0BBDE

Accessibility & contrast

On white

4.43

#4579BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4579BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579BF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579BF	#FFFFFF	#000000	##000000
##4579BF	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC2

Deuteranopia (green-blind)

#4A73BE

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4579bf;
/* rgb */ color: rgb(69, 121, 191);
/* oklch */ color: oklch(57.3% 0.122 256.4);

Tailwind

colors: {
  custom: {
    50: '#849fd2',
    500: '#4579bf',
    950: '#000000',
  },
}

SCSS

$custom: #4579bf;
$custom-light: #849fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4579bf",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 191
  },
  "hsl": {
    "h": 214.426,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57292,
    "c": 0.12226,
    "h": 256.4
  },
  "luminance": 0.18702
}

Semantic roles & 50–950 ramp

primary

#4579BF

secondary

#CBB495

accent

#9E4FD8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4579BF

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

Preview Lab → · Contrast checker → · Palette generator →