#3457BD#3457BD

#3457BD is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.166 H 266.1°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3457BD
RGB	rgb(52, 87, 189)
HSL	hsl(225, 57%, 47%)
HSV	hsv(225, 72%, 74%)
CMYK	cmyk(72.5%, 54%, 0%, 25.9%)
CIE-LAB	lab(39.95, 22.95, -57.39)
CIE-LCH	lch(39.95, 61.81, 291.80°)
OKLab	oklab(49.07% -0.0113 -0.1652)
OKLCH	oklch(49.07% 0.166 266.1)
XYZ	xyz(14.0065, 11.2191, 49.5616)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457BD #BD9A34

analogous

#349BBD #3457BD #5634BD

triadic

#3457BD #BD3457 #57BD34

tetradic

#3457BD #BD349B #BD9A34 #34BD56

square

#3457BD #BD349B #BD9A34 #34BD56

split-complementary

#3457BD #BD5634 #9BBD34

monochromatic

#1A2B5D #27418D #3457BD #5C7AD2 #8CA1DF

Accessibility & contrast

On white

6.47

#3457BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3457BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457BD

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457BD	#FFFFFF	#000000	##FFFFFF
##3457BD	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	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: #3457bd;
/* rgb */ color: rgb(52, 87, 189);
/* oklch */ color: oklch(49.1% 0.166 266.1);

Tailwind

colors: {
  custom: {
    50: '#7d85d2',
    500: '#3457bd',
    950: '#000000',
  },
}

SCSS

$custom: #3457bd;
$custom-light: #7d85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3457bd",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 224.672,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49066,
    "c": 0.1656,
    "h": 266.1
  },
  "luminance": 0.11221
}

Semantic roles & 50–950 ramp

primary

#3457BD

secondary

#CAB883

accent

#B948E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3457BD

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

Preview Lab → · Contrast checker → · Palette generator →