#3373B5#3373B5

#3373B5 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.122 H 251.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3373B5
RGB	rgb(51, 115, 181)
HSL	hsl(210, 56%, 45%)
HSV	hsv(210, 72%, 71%)
CMYK	cmyk(71.8%, 36.5%, 0%, 29%)
CIE-LAB	lab(47.37, 1.99, -40.84)
CIE-LCH	lch(47.37, 40.89, 272.79°)
OKLab	oklab(54.61% -0.0385 -0.1161)
OKLCH	oklch(54.61% 0.122 251.7)
XYZ	xyz(15.8334, 16.2997, 46.0188)
Luminance	0.1630 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3373B5 #B57533

analogous

#33B4B5 #3373B5 #3433B5

triadic

#3373B5 #B53373 #73B533

tetradic

#3373B5 #B533B4 #B57533 #33B534

square

#3373B5 #B533B4 #B57533 #33B534

split-complementary

#3373B5 #B53433 #B4B533

monochromatic

#183656 #265585 #3373B5 #5692CF #86B1DD

Accessibility & contrast

On white

4.93

#3373B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3373B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3373B5

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3373B5	#FFFFFF	#000000	##FFFFFF
##3373B5	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5577B8

Deuteranopia (green-blind)

#426BB4

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3373b5;
/* rgb */ color: rgb(51, 115, 181);
/* oklch */ color: oklch(54.6% 0.122 251.7);

Tailwind

colors: {
  custom: {
    50: '#7b9acb',
    500: '#3373b5',
    950: '#000000',
  },
}

SCSS

$custom: #3373b5;
$custom-light: #7b9acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3373b5",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 181
  },
  "hsl": {
    "h": 210.462,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54609,
    "c": 0.12237,
    "h": 251.7
  },
  "luminance": 0.16301
}

Semantic roles & 50–950 ramp

primary

#3373B5

secondary

#C6A27D

accent

#9548DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3373B5

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

Preview Lab → · Contrast checker → · Palette generator →