#3357AF#3357AF

#3357AF is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.147 H 264.7°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3357AF
RGB	rgb(51, 87, 175)
HSL	hsl(223, 55%, 44%)
HSV	hsv(223, 71%, 69%)
CMYK	cmyk(70.9%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.92, 17.59, -50.82)
CIE-LCH	lch(38.92, 53.78, 289.09°)
OKLab	oklab(47.97% -0.0135 -0.1459)
OKLCH	oklch(47.97% 0.147 264.7)
XYZ	xyz(12.5086, 10.6141, 41.9386)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357AF #AF8B33

analogous

#3395AF #3357AF #4D33AF

triadic

#3357AF #AF3357 #57AF33

tetradic

#3357AF #AF3395 #AF8B33 #33AF4D

square

#3357AF #AF3395 #AF8B33 #33AF4D

split-complementary

#3357AF #AF4D33 #95AF33

monochromatic

#172850 #253F80 #3357AF #5276CD #829CDB

Accessibility & contrast

On white

6.72

#3357AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3357AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357AF

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357AF	#FFFFFF	#000000	##FFFFFF
##3357AF	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2462B2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3357af;
/* rgb */ color: rgb(51, 87, 175);
/* oklch */ color: oklch(48.0% 0.147 264.7);

Tailwind

colors: {
  custom: {
    50: '#7a85c7',
    500: '#3357af',
    950: '#000000',
  },
}

SCSS

$custom: #3357af;
$custom-light: #7a85c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3357af",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 222.581,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47965,
    "c": 0.14654,
    "h": 264.7
  },
  "luminance": 0.10615
}

Semantic roles & 50–950 ramp

primary

#3357AF

secondary

#C4AE7A

accent

#B34ADE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3357AF

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

Preview Lab → · Contrast checker → · Palette generator →