#3477B4#3477B4

#3477B4 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.117 H 248.9°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3477B4
RGB	rgb(52, 119, 180)
HSL	hsl(209, 55%, 45%)
HSV	hsv(209, 71%, 71%)
CMYK	cmyk(71.1%, 33.9%, 0%, 29.4%)
CIE-LAB	lab(48.53, -0.66, -38.41)
CIE-LCH	lch(48.53, 38.42, 269.01°)
OKLab	oklab(55.52% -0.042 -0.109)
OKLCH	oklch(55.52% 0.117 248.9)
XYZ	xyz(16.2481, 17.2172, 45.6381)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3477B4 #B47134

analogous

#34B4B1 #3477B4 #3437B4

triadic

#3477B4 #B43477 #77B434

tetradic

#3477B4 #B134B4 #B47134 #37B434

square

#3477B4 #B134B4 #B47134 #37B434

split-complementary

#3477B4 #B43437 #B4B134

monochromatic

#193855 #265885 #3477B4 #5795CE #86B3DC

Accessibility & contrast

On white

4.73

#3477B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3477B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3477B4

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3477B4	#FFFFFF	#000000	##FFFFFF
##3477B4	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7AB7

Deuteranopia (green-blind)

#496EB3

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3477b4;
/* rgb */ color: rgb(52, 119, 180);
/* oklch */ color: oklch(55.5% 0.117 248.9);

Tailwind

colors: {
  custom: {
    50: '#7b9dcb',
    500: '#3477b4',
    950: '#000000',
  },
}

SCSS

$custom: #3477b4;
$custom-light: #7b9dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3477b4",
  "rgb": {
    "r": 52,
    "g": 119,
    "b": 180
  },
  "hsl": {
    "h": 208.594,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55517,
    "c": 0.11681,
    "h": 248.9
  },
  "luminance": 0.17219
}

Semantic roles & 50–950 ramp

primary

#3477B4

secondary

#C6A07E

accent

#9049DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3477B4

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

Preview Lab → · Contrast checker → · Palette generator →