#3375B9#3375B9

#3375B9 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.3% C 0.126 H 251.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3375B9
RGB	rgb(51, 117, 185)
HSL	hsl(210, 57%, 46%)
HSV	hsv(210, 72%, 73%)
CMYK	cmyk(72.4%, 36.8%, 0%, 27.5%)
CIE-LAB	lab(48.17, 2.22, -41.88)
CIE-LCH	lch(48.17, 41.94, 273.04°)
OKLab	oklab(55.31% -0.0394 -0.1192)
OKLCH	oklch(55.31% 0.126 251.7)
XYZ	xyz(16.4802, 16.9273, 48.2883)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3375B9 #B97733

analogous

#33B8B9 #3375B9 #3433B9

triadic

#3375B9 #B93375 #75B933

tetradic

#3375B9 #B933B8 #B97733 #33B934

square

#3375B9 #B933B8 #B97733 #33B934

split-complementary

#3375B9 #B93433 #B8B933

monochromatic

#193859 #265789 #3375B9 #5894D1 #88B3DE

Accessibility & contrast

On white

4.79

#3375B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3375B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3375B9

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3375B9	#FFFFFF	#000000	##FFFFFF
##3375B9	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5679BC

Deuteranopia (green-blind)

#426DB8

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3375b9;
/* rgb */ color: rgb(51, 117, 185);
/* oklch */ color: oklch(55.3% 0.126 251.7);

Tailwind

colors: {
  custom: {
    50: '#7b9cce',
    500: '#3375b9',
    950: '#000000',
  },
}

SCSS

$custom: #3375b9;
$custom-light: #7b9cce;
$custom-dark: #000000;

JSON

{
  "hex": "#3375b9",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 185
  },
  "hsl": {
    "h": 210.448,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55307,
    "c": 0.12551,
    "h": 251.7
  },
  "luminance": 0.16929
}

Semantic roles & 50–950 ramp

primary

#3375B9

secondary

#C8A480

accent

#9548E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3375B9

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

Preview Lab → · Contrast checker → · Palette generator →