#3353B1#3353B1

#3353B1 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.3% C 0.154 H 266.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3353B1
RGB	rgb(51, 83, 177)
HSL	hsl(225, 55%, 45%)
HSV	hsv(225, 71%, 69%)
CMYK	cmyk(71.2%, 53.1%, 0%, 30.6%)
CIE-LAB	lab(37.96, 20.96, -53.57)
CIE-LCH	lch(37.96, 57.52, 291.37°)
OKLab	oklab(47.28% -0.0098 -0.1541)
OKLCH	oklch(47.28% 0.154 266.4)
XYZ	xyz(12.3915, 10.0634, 42.8758)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3353B1 #B19133

analogous

#3392B1 #3353B1 #5233B1

triadic

#3353B1 #B13353 #53B133

tetradic

#3353B1 #B13392 #B19133 #33B152

square

#3353B1 #B13392 #B19133 #33B152

split-complementary

#3353B1 #B15233 #92B133

monochromatic

#182652 #253D81 #3353B1 #5473CE #839ADB

Accessibility & contrast

On white

6.97

#3353B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3353B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3353B1

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3353B1	#FFFFFF	#000000	##FFFFFF
##3353B1	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125FB4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3353b1;
/* rgb */ color: rgb(51, 83, 177);
/* oklch */ color: oklch(47.3% 0.154 266.4);

Tailwind

colors: {
  custom: {
    50: '#7b82c9',
    500: '#3353b1',
    950: '#000000',
  },
}

SCSS

$custom: #3353b1;
$custom-light: #7b82c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3353b1",
  "rgb": {
    "r": 51,
    "g": 83,
    "b": 177
  },
  "hsl": {
    "h": 224.762,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47275,
    "c": 0.15437,
    "h": 266.4
  },
  "luminance": 0.10065
}

Semantic roles & 50–950 ramp

primary

#3353B1

secondary

#C5B27B

accent

#B949DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3353B1

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

Preview Lab → · Contrast checker → · Palette generator →