#3473B4#3473B4

#3473B4 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.121 H 251.6°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3473B4
RGB	rgb(52, 115, 180)
HSL	hsl(210, 55%, 45%)
HSV	hsv(210, 71%, 71%)
CMYK	cmyk(71.1%, 36.1%, 0%, 29.4%)
CIE-LAB	lab(47.35, 1.77, -40.29)
CIE-LCH	lch(47.35, 40.33, 272.52°)
OKLab	oklab(54.59% -0.0381 -0.1145)
OKLCH	oklch(54.59% 0.121 251.6)
XYZ	xyz(15.7821, 16.2851, 45.4828)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3473B4 #B47534

analogous

#34B3B4 #3473B4 #3534B4

triadic

#3473B4 #B43473 #73B434

tetradic

#3473B4 #B434B3 #B47534 #34B435

square

#3473B4 #B434B3 #B47534 #34B435

split-complementary

#3473B4 #B43534 #B3B434

monochromatic

#193655 #265585 #3473B4 #5792CE #86B1DC

Accessibility & contrast

On white

4.93

#3473B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3473B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3473B4

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3473B4	#FFFFFF	#000000	##FFFFFF
##3473B4	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5677B7

Deuteranopia (green-blind)

#436BB3

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3473b4;
/* rgb */ color: rgb(52, 115, 180);
/* oklch */ color: oklch(54.6% 0.121 251.6);

Tailwind

colors: {
  custom: {
    50: '#7b9acb',
    500: '#3473b4',
    950: '#000000',
  },
}

SCSS

$custom: #3473b4;
$custom-light: #7b9acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3473b4",
  "rgb": {
    "r": 52,
    "g": 115,
    "b": 180
  },
  "hsl": {
    "h": 210.469,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54586,
    "c": 0.1207,
    "h": 251.6
  },
  "luminance": 0.16287
}

Semantic roles & 50–950 ramp

primary

#3473B4

secondary

#C6A27E

accent

#9549DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3473B4

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

Preview Lab → · Contrast checker → · Palette generator →