#3357BD#3357BD

#3357BD is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.166 H 265.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3357BD
RGB	rgb(51, 87, 189)
HSL	hsl(224, 58%, 47%)
HSV	hsv(224, 73%, 74%)
CMYK	cmyk(73%, 54%, 0%, 25.9%)
CIE-LAB	lab(39.90, 22.82, -57.46)
CIE-LCH	lch(39.90, 61.82, 291.66°)
OKLab	oklab(49.02% -0.0121 -0.1655)
OKLCH	oklch(49.02% 0.166 265.8)
XYZ	xyz(13.9555, 11.1928, 49.5592)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357BD #BD9933

analogous

#339CBD #3357BD #5433BD

triadic

#3357BD #BD3357 #57BD33

tetradic

#3357BD #BD339C #BD9933 #33BD54

square

#3357BD #BD339C #BD9933 #33BD54

split-complementary

#3357BD #BD5433 #9CBD33

monochromatic

#192B5D #26418D #3357BD #5B7AD3 #8BA1E0

Accessibility & contrast

On white

6.48

#3357BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3357BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357BD

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357BD	#FFFFFF	#000000	##FFFFFF
##3357BD	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0465C1

Deuteranopia (green-blind)

#0058BB

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3357bd;
/* rgb */ color: rgb(51, 87, 189);
/* oklch */ color: oklch(49.0% 0.166 265.8);

Tailwind

colors: {
  custom: {
    50: '#7d85d2',
    500: '#3357bd',
    950: '#000000',
  },
}

SCSS

$custom: #3357bd;
$custom-light: #7d85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3357bd",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 224.348,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49021,
    "c": 0.16589,
    "h": 265.8
  },
  "luminance": 0.11194
}

Semantic roles & 50–950 ramp

primary

#3357BD

secondary

#CAB782

accent

#B947E1

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3357BD

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

Preview Lab → · Contrast checker → · Palette generator →