#3374B1#3374B1

#3374B1 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.6% C 0.116 H 249.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3374B1
RGB	rgb(51, 116, 177)
HSL	hsl(209, 55%, 45%)
HSV	hsv(209, 71%, 69%)
CMYK	cmyk(71.2%, 34.5%, 0%, 30.6%)
CIE-LAB	lab(47.45, -0.08, -38.38)
CIE-LCH	lch(47.45, 38.38, 269.89°)
OKLab	oklab(54.61% -0.0406 -0.1089)
OKLCH	oklch(54.61% 0.116 249.6)
XYZ	xyz(15.5435, 16.3672, 43.9265)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3374B1 #B17033

analogous

#33B1AF #3374B1 #3335B1

triadic

#3374B1 #B13374 #74B133

tetradic

#3374B1 #AF33B1 #B17033 #35B133

square

#3374B1 #AF33B1 #B17033 #35B133

split-complementary

#3374B1 #B13335 #B1AF33

monochromatic

#183652 #255581 #3374B1 #5493CE #83B1DB

Accessibility & contrast

On white

4.91

#3374B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3374B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3374B1

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3374B1	#FFFFFF	#000000	##FFFFFF
##3374B1	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5977B4

Deuteranopia (green-blind)

#476BB0

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3374b1;
/* rgb */ color: rgb(51, 116, 177);
/* oklch */ color: oklch(54.6% 0.116 249.6);

Tailwind

colors: {
  custom: {
    50: '#7a9bc8',
    500: '#3374b1',
    950: '#000000',
  },
}

SCSS

$custom: #3374b1;
$custom-light: #7a9bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3374b1",
  "rgb": {
    "r": 51,
    "g": 116,
    "b": 177
  },
  "hsl": {
    "h": 209.048,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54609,
    "c": 0.11625,
    "h": 249.6
  },
  "luminance": 0.16369
}

Semantic roles & 50–950 ramp

primary

#3374B1

secondary

#C59F7B

accent

#9249DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3374B1

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

Preview Lab → · Contrast checker → · Palette generator →