#3357AC#3357AC

#3357AC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.142 H 264.4°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3357AC
RGB	rgb(51, 87, 172)
HSL	hsl(222, 54%, 44%)
HSV	hsv(222, 70%, 67%)
CMYK	cmyk(70.3%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(38.72, 16.47, -49.37)
CIE-LCH	lch(38.72, 52.05, 288.45°)
OKLab	oklab(47.75% -0.0139 -0.1417)
OKLCH	oklch(47.75% 0.142 264.4)
XYZ	xyz(12.2172, 10.4975, 40.4041)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357AC #AC8833

analogous

#3393AC #3357AC #4B33AC

triadic

#3357AC #AC3357 #57AC33

tetradic

#3357AC #AC3393 #AC8833 #33AC4B

square

#3357AC #AC3393 #AC8833 #33AC4B

split-complementary

#3357AC #AC4B33 #93AC33

monochromatic

#17274E #253F7D #3357AC #5175CB #809BD9

Accessibility & contrast

On white

6.77

#3357AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3357AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357AC

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357AC	#FFFFFF	#000000	##FFFFFF
##3357AC	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2861AF

Deuteranopia (green-blind)

#0056AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3357ac;
/* rgb */ color: rgb(51, 87, 172);
/* oklch */ color: oklch(47.7% 0.142 264.4);

Tailwind

colors: {
  custom: {
    50: '#7985c5',
    500: '#3357ac',
    950: '#000000',
  },
}

SCSS

$custom: #3357ac;
$custom-light: #7985c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3357ac",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 222.149,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47746,
    "c": 0.14234,
    "h": 264.4
  },
  "luminance": 0.10499
}

Semantic roles & 50–950 ramp

primary

#3357AC

secondary

#C2AC78

accent

#B24ADE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3357AC

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

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