#3375B5#3375B5

#3375B5 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.1% C 0.120 H 250.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3375B5
RGB	rgb(51, 117, 181)
HSL	hsl(210, 56%, 45%)
HSV	hsv(210, 72%, 71%)
CMYK	cmyk(71.8%, 35.4%, 0%, 29%)
CIE-LAB	lab(47.96, 0.77, -39.90)
CIE-LCH	lch(47.96, 39.91, 271.10°)
OKLab	oklab(55.07% -0.0405 -0.1134)
OKLCH	oklch(55.07% 0.12 250.4)
XYZ	xyz(16.0639, 16.7608, 46.0957)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3375B5 #B57333

analogous

#33B5B4 #3375B5 #3334B5

triadic

#3375B5 #B53375 #75B533

tetradic

#3375B5 #B433B5 #B57333 #34B533

square

#3375B5 #B433B5 #B57333 #34B533

split-complementary

#3375B5 #B53334 #B5B433

monochromatic

#183756 #265685 #3375B5 #5694CF #86B2DD

Accessibility & contrast

On white

4.82

#3375B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3375B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3375B5

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3375B5	#FFFFFF	#000000	##FFFFFF
##3375B5	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B8

Deuteranopia (green-blind)

#456CB4

Tritanopia (blue-blind)

#00848C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3375b5;
/* rgb */ color: rgb(51, 117, 181);
/* oklch */ color: oklch(55.1% 0.120 250.4);

Tailwind

colors: {
  custom: {
    50: '#7b9ccb',
    500: '#3375b5',
    950: '#000000',
  },
}

SCSS

$custom: #3375b5;
$custom-light: #7b9ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3375b5",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 181
  },
  "hsl": {
    "h": 209.538,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55073,
    "c": 0.12038,
    "h": 250.4
  },
  "luminance": 0.16763
}

Semantic roles & 50–950 ramp

primary

#3375B5

secondary

#C6A17D

accent

#9348DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3375B5

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

Preview Lab → · Contrast checker → · Palette generator →