#3374B3#3374B3

#3374B3 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.119 H 250.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3374B3
RGB	rgb(51, 116, 179)
HSL	hsl(210, 56%, 45%)
HSV	hsv(210, 72%, 70%)
CMYK	cmyk(71.5%, 35.2%, 0%, 29.8%)
CIE-LAB	lab(47.56, 0.65, -39.38)
CIE-LCH	lch(47.56, 39.38, 270.94°)
OKLab	oklab(54.72% -0.04 -0.1118)
OKLCH	oklch(54.72% 0.119 250.3)
XYZ	xyz(15.7443, 16.4475, 44.9840)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3374B3 #B37233

analogous

#33B3B2 #3374B3 #3334B3

triadic

#3374B3 #B33374 #74B333

tetradic

#3374B3 #B233B3 #B37233 #34B333

square

#3374B3 #B233B3 #B37233 #34B333

split-complementary

#3374B3 #B33334 #B3B233

monochromatic

#183654 #255583 #3374B3 #5593CE #84B1DC

Accessibility & contrast

On white

4.90

#3374B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3374B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3374B3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3374B3	#FFFFFF	#000000	##FFFFFF
##3374B3	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5877B6

Deuteranopia (green-blind)

#456BB2

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3374b3;
/* rgb */ color: rgb(51, 116, 179);
/* oklch */ color: oklch(54.7% 0.119 250.3);

Tailwind

colors: {
  custom: {
    50: '#7a9bca',
    500: '#3374b3',
    950: '#000000',
  },
}

SCSS

$custom: #3374b3;
$custom-light: #7a9bca;
$custom-dark: #000000;

JSON

{
  "hex": "#3374b3",
  "rgb": {
    "r": 51,
    "g": 116,
    "b": 179
  },
  "hsl": {
    "h": 209.531,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54724,
    "c": 0.1188,
    "h": 250.3
  },
  "luminance": 0.16449
}

Semantic roles & 50–950 ramp

primary

#3374B3

secondary

#C6A07C

accent

#9349DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3374B3

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

Preview Lab → · Contrast checker → · Palette generator →