#3457AF#3457AF

#3457AF is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.146 H 265.0°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3457AF
RGB	rgb(52, 87, 175)
HSL	hsl(223, 54%, 45%)
HSV	hsv(223, 70%, 69%)
CMYK	cmyk(70.3%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.97, 17.74, -50.75)
CIE-LCH	lch(38.97, 53.76, 289.27°)
OKLab	oklab(48.01% -0.0127 -0.1457)
OKLCH	oklch(48.01% 0.146 265)
XYZ	xyz(12.5595, 10.6403, 41.9410)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457AF #AF8C34

analogous

#3495AF #3457AF #4F34AF

triadic

#3457AF #AF3457 #57AF34

tetradic

#3457AF #AF3495 #AF8C34 #34AF4F

square

#3457AF #AF3495 #AF8C34 #34AF4F

split-complementary

#3457AF #AF4F34 #95AF34

monochromatic

#182851 #264080 #3457AF #5476CC #839CDA

Accessibility & contrast

On white

6.71

#3457AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3457AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457AF

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457AF	#FFFFFF	#000000	##FFFFFF
##3457AF	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2462B2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3457af;
/* rgb */ color: rgb(52, 87, 175);
/* oklch */ color: oklch(48.0% 0.146 265.0);

Tailwind

colors: {
  custom: {
    50: '#7b85c7',
    500: '#3457af',
    950: '#000000',
  },
}

SCSS

$custom: #3457af;
$custom-light: #7b85c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3457af",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 222.927,
    "s": 54.185,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48011,
    "c": 0.14623,
    "h": 265
  },
  "luminance": 0.10642
}

Semantic roles & 50–950 ramp

primary

#3457AF

secondary

#C4AF7B

accent

#B44ADE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3457AF

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

Preview Lab → · Contrast checker → · Palette generator →