#3351AC#3351AC

#3351AC is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.5% C 0.150 H 266.7°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#3351AC
RGB	rgb(51, 81, 172)
HSL	hsl(225, 54%, 44%)
HSV	hsv(225, 70%, 67%)
CMYK	cmyk(70.3%, 52.9%, 0%, 32.5%)
CIE-LAB	lab(37.05, 20.42, -52.07)
CIE-LCH	lch(37.05, 55.93, 291.41°)
OKLab	oklab(46.48% -0.0085 -0.1497)
OKLCH	oklch(46.48% 0.15 266.7)
XYZ	xyz(11.7515, 9.5660, 40.2488)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3351AC #AC8E33

analogous

#338DAC #3351AC #5133AC

triadic

#3351AC #AC3351 #51AC33

tetradic

#3351AC #AC338D #AC8E33 #33AC51

square

#3351AC #AC338D #AC8E33 #33AC51

split-complementary

#3351AC #AC5133 #8DAC33

monochromatic

#17254E #253B7D #3351AC #516FCB #8096D9

Accessibility & contrast

On white

7.21

#3351AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3351AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3351AC

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3351AC	#FFFFFF	#000000	##FFFFFF
##3351AC	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145DAF

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#006776

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3351ac;
/* rgb */ color: rgb(51, 81, 172);
/* oklch */ color: oklch(46.5% 0.150 266.7);

Tailwind

colors: {
  custom: {
    50: '#7a81c5',
    500: '#3351ac',
    950: '#000000',
  },
}

SCSS

$custom: #3351ac;
$custom-light: #7a81c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3351ac",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 172
  },
  "hsl": {
    "h": 225.124,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46477,
    "c": 0.14992,
    "h": 266.7
  },
  "luminance": 0.09567
}

Semantic roles & 50–950 ramp

primary

#3351AC

secondary

#C2B078

accent

#B94ADE

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3351AC

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

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