#3375B3#3375B3

#3375B3 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.118 H 249.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3375B3
RGB	rgb(51, 117, 179)
HSL	hsl(209, 56%, 45%)
HSV	hsv(209, 72%, 70%)
CMYK	cmyk(71.5%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.85, 0.04, -38.91)
CIE-LCH	lch(47.85, 38.91, 270.06°)
OKLab	oklab(54.96% -0.041 -0.1105)
OKLCH	oklch(54.96% 0.118 249.6)
XYZ	xyz(15.8602, 16.6793, 45.0226)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3375B3 #B37133

analogous

#33B3B1 #3375B3 #3335B3

triadic

#3375B3 #B33375 #75B333

tetradic

#3375B3 #B133B3 #B37133 #35B333

square

#3375B3 #B133B3 #B37133 #35B333

split-complementary

#3375B3 #B33335 #B3B133

monochromatic

#183754 #255683 #3375B3 #5594CE #84B2DC

Accessibility & contrast

On white

4.84

#3375B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3375B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3375B3

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3375B3	#FFFFFF	#000000	##FFFFFF
##3375B3	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)

#5978B6

Deuteranopia (green-blind)

#476CB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3375b3;
/* rgb */ color: rgb(51, 117, 179);
/* oklch */ color: oklch(55.0% 0.118 249.6);

Tailwind

colors: {
  custom: {
    50: '#7a9cca',
    500: '#3375b3',
    950: '#000000',
  },
}

SCSS

$custom: #3375b3;
$custom-light: #7a9cca;
$custom-dark: #000000;

JSON

{
  "hex": "#3375b3",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 209.063,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54957,
    "c": 0.11784,
    "h": 249.6
  },
  "luminance": 0.16681
}

Semantic roles & 50–950 ramp

primary

#3375B3

secondary

#C6A07C

accent

#9249DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3375B3

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

Preview Lab → · Contrast checker → · Palette generator →