#3374B9#3374B9

#3374B9 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.1% C 0.127 H 252.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3374B9
RGB	rgb(51, 116, 185)
HSL	hsl(211, 57%, 46%)
HSV	hsv(211, 72%, 73%)
CMYK	cmyk(72.4%, 37.3%, 0%, 27.5%)
CIE-LAB	lab(47.87, 2.84, -42.35)
CIE-LCH	lch(47.87, 42.45, 273.83°)
OKLab	oklab(55.08% -0.0384 -0.1205)
OKLCH	oklch(55.08% 0.127 252.3)
XYZ	xyz(16.3643, 16.6956, 48.2497)
Luminance	0.1670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3374B9 #B97833

analogous

#33B7B9 #3374B9 #3533B9

triadic

#3374B9 #B93374 #74B933

tetradic

#3374B9 #B933B7 #B97833 #33B935

square

#3374B9 #B933B7 #B97833 #33B935

split-complementary

#3374B9 #B93533 #B7B933

monochromatic

#193859 #265689 #3374B9 #5893D1 #88B2DE

Accessibility & contrast

On white

4.84

#3374B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3374B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3374B9

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3374B9	#FFFFFF	#000000	##FFFFFF
##3374B9	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5478BC

Deuteranopia (green-blind)

#406CB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3374b9;
/* rgb */ color: rgb(51, 116, 185);
/* oklch */ color: oklch(55.1% 0.127 252.3);

Tailwind

colors: {
  custom: {
    50: '#7b9bce',
    500: '#3374b9',
    950: '#000000',
  },
}

SCSS

$custom: #3374b9;
$custom-light: #7b9bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3374b9",
  "rgb": {
    "r": 51,
    "g": 116,
    "b": 185
  },
  "hsl": {
    "h": 210.896,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55077,
    "c": 0.12653,
    "h": 252.3
  },
  "luminance": 0.16697
}

Semantic roles & 50–950 ramp

primary

#3374B9

secondary

#C8A580

accent

#9648E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3374B9

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

Preview Lab → · Contrast checker → · Palette generator →