#3353B4#3353B4

#3353B4 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.159 H 266.5°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3353B4
RGB	rgb(51, 83, 180)
HSL	hsl(225, 56%, 45%)
HSV	hsv(225, 72%, 71%)
CMYK	cmyk(71.7%, 53.9%, 0%, 29.4%)
CIE-LAB	lab(38.17, 22.08, -54.99)
CIE-LCH	lch(38.17, 59.25, 291.88°)
OKLab	oklab(47.51% -0.0096 -0.1582)
OKLCH	oklch(47.51% 0.159 266.5)
XYZ	xyz(12.6938, 10.1843, 44.4679)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3353B4 #B49433

analogous

#3394B4 #3353B4 #5333B4

triadic

#3353B4 #B43353 #53B433

tetradic

#3353B4 #B43394 #B49433 #33B453

square

#3353B4 #B43394 #B49433 #33B453

split-complementary

#3353B4 #B45333 #94B433

monochromatic

#182755 #253D84 #3353B4 #5573CF #859BDC

Accessibility & contrast

On white

6.91

#3353B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3353B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3353B4

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3353B4	#FFFFFF	#000000	##FFFFFF
##3353B4	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0960B7

Deuteranopia (green-blind)

#0054B2

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3353b4;
/* rgb */ color: rgb(51, 83, 180);
/* oklch */ color: oklch(47.5% 0.159 266.5);

Tailwind

colors: {
  custom: {
    50: '#7b82cb',
    500: '#3353b4',
    950: '#000000',
  },
}

SCSS

$custom: #3353b4;
$custom-light: #7b82cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3353b4",
  "rgb": {
    "r": 51,
    "g": 83,
    "b": 180
  },
  "hsl": {
    "h": 225.116,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47506,
    "c": 0.15853,
    "h": 266.5
  },
  "luminance": 0.10186
}

Semantic roles & 50–950 ramp

primary

#3353B4

secondary

#C6B47D

accent

#BA49DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3353B4

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

Preview Lab → · Contrast checker → · Palette generator →