#3375D1#3375D1

#3375D1 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.8% C 0.157 H 257.5°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3375D1
RGB	rgb(51, 117, 209)
HSL	hsl(215, 63%, 51%)
HSV	hsv(215, 76%, 82%)
CMYK	cmyk(75.6%, 44%, 0%, 18%)
CIE-LAB	lab(49.53, 11.08, -53.48)
CIE-LCH	lch(49.53, 54.61, 281.70°)
OKLab	oklab(56.81% -0.034 -0.1532)
OKLCH	oklch(56.81% 0.157 257.5)
XYZ	xyz(19.2309, 18.0276, 62.7754)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3375D1 #D18F33

analogous

#33C4D1 #3375D1 #4033D1

triadic

#3375D1 #D13375 #75D133

tetradic

#3375D1 #D133C4 #D18F33 #33D140

square

#3375D1 #D133C4 #D18F33 #33D140

split-complementary

#3375D1 #D14033 #C4D133

monochromatic

#193E70 #2559A2 #3375D1 #6597DC #97B9E8

Accessibility & contrast

On white

4.56

#3375D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3375D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3375D1

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3375D1	#FFFFFF	#000000	##000000
##3375D1	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467ED5

Deuteranopia (green-blind)

#276FCF

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3375d1;
/* rgb */ color: rgb(51, 117, 209);
/* oklch */ color: oklch(56.8% 0.157 257.5);

Tailwind

colors: {
  custom: {
    50: '#809ce0',
    500: '#3375d1',
    950: '#000000',
  },
}

SCSS

$custom: #3375d1;
$custom-light: #809ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3375d1",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 209
  },
  "hsl": {
    "h": 214.937,
    "s": 63.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56808,
    "c": 0.15693,
    "h": 257.5
  },
  "luminance": 0.1803
}

Semantic roles & 50–950 ramp

primary

#3375D1

secondary

#D3B68D

accent

#A142E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3375D1

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

Preview Lab → · Contrast checker → · Palette generator →