#3479CB#3479CB

#3479CB is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.3% C 0.144 H 254.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3479CB
RGB	rgb(52, 121, 203)
HSL	hsl(213, 59%, 50%)
HSV	hsv(213, 74%, 80%)
CMYK	cmyk(74.4%, 40.4%, 0%, 20.4%)
CIE-LAB	lab(50.35, 6.50, -48.74)
CIE-LCH	lch(50.35, 49.18, 277.60°)
OKLab	oklab(57.34% -0.0381 -0.1392)
OKLCH	oklch(57.34% 0.144 254.7)
XYZ	xyz(19.0290, 18.7144, 59.0977)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3479CB #CB8634

analogous

#34C4CB #3479CB #3B34CB

triadic

#3479CB #CB3479 #79CB34

tetradic

#3479CB #CB34C4 #CB8634 #34CB3B

square

#3479CB #CB34C4 #CB8634 #34CB3B

split-complementary

#3479CB #CB3B34 #C4CB34

monochromatic

#1B3F6A #285C9A #3479CB #6599D7 #95B9E4

Accessibility & contrast

On white

4.43

#3479CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3479CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3479CB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3479CB	#FFFFFF	#000000	##000000
##3479CB	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)

#527FCE

Deuteranopia (green-blind)

#3971C9

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3479cb;
/* rgb */ color: rgb(52, 121, 203);
/* oklch */ color: oklch(57.3% 0.144 254.7);

Tailwind

colors: {
  custom: {
    50: '#7f9fdb',
    500: '#3479cb',
    950: '#000000',
  },
}

SCSS

$custom: #3479cb;
$custom-light: #7f9fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3479cb",
  "rgb": {
    "r": 52,
    "g": 121,
    "b": 203
  },
  "hsl": {
    "h": 212.583,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.57341,
    "c": 0.14433,
    "h": 254.7
  },
  "luminance": 0.18717
}

Semantic roles & 50–950 ramp

primary

#3479CB

secondary

#CFB08C

accent

#9B45E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3479CB

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

Preview Lab → · Contrast checker → · Palette generator →