#3357AB#3357AB

#3357AB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.141 H 264.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3357AB
RGB	rgb(51, 87, 171)
HSL	hsl(222, 54%, 44%)
HSV	hsv(222, 70%, 67%)
CMYK	cmyk(70.2%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(38.65, 16.10, -48.89)
CIE-LCH	lch(38.65, 51.47, 288.23°)
OKLab	oklab(47.67% -0.014 -0.1402)
OKLCH	oklch(47.67% 0.141 264.3)
XYZ	xyz(12.1215, 10.4592, 39.9002)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357AB #AB8733

analogous

#3393AB #3357AB #4B33AB

triadic

#3357AB #AB3357 #57AB33

tetradic

#3357AB #AB3393 #AB8733 #33AB4B

square

#3357AB #AB3393 #AB8733 #33AB4B

split-complementary

#3357AB #AB4B33 #93AB33

monochromatic

#17274D #253F7C #3357AB #5075CB #7F9AD9

Accessibility & contrast

On white

6.79

#3357AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3357AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357AB

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357AB	#FFFFFF	#000000	##FFFFFF
##3357AB	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2961AE

Deuteranopia (green-blind)

#0456A9

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3357ab;
/* rgb */ color: rgb(51, 87, 171);
/* oklch */ color: oklch(47.7% 0.141 264.3);

Tailwind

colors: {
  custom: {
    50: '#7985c4',
    500: '#3357ab',
    950: '#000000',
  },
}

SCSS

$custom: #3357ab;
$custom-light: #7985c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3357ab",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 222,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47674,
    "c": 0.14093,
    "h": 264.3
  },
  "luminance": 0.1046
}

Semantic roles & 50–950 ramp

primary

#3357AB

secondary

#C2AC78

accent

#B14ADD

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3357AB

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

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