#3457B5#3457B5

#3457B5 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.5% C 0.155 H 265.6°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3457B5
RGB	rgb(52, 87, 181)
HSL	hsl(224, 55%, 46%)
HSV	hsv(224, 71%, 71%)
CMYK	cmyk(71.3%, 51.9%, 0%, 29%)
CIE-LAB	lab(39.38, 19.97, -53.62)
CIE-LCH	lch(39.38, 57.22, 290.43°)
OKLab	oklab(48.46% -0.012 -0.1541)
OKLCH	oklch(48.46% 0.155 265.6)
XYZ	xyz(13.1619, 10.8813, 45.1137)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457B5 #B59234

analogous

#3497B5 #3457B5 #5134B5

triadic

#3457B5 #B53457 #57B534

tetradic

#3457B5 #B53497 #B59234 #34B551

square

#3457B5 #B53497 #B59234 #34B551

split-complementary

#3457B5 #B55134 #97B534

monochromatic

#192956 #264085 #3457B5 #5778CF #879EDC

Accessibility & contrast

On white

6.61

#3457B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3457B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457B5

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457B5	#FFFFFF	#000000	##FFFFFF
##3457B5	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B63B8

Deuteranopia (green-blind)

#0057B3

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3457b5;
/* rgb */ color: rgb(52, 87, 181);
/* oklch */ color: oklch(48.5% 0.155 265.6);

Tailwind

colors: {
  custom: {
    50: '#7c85cc',
    500: '#3457b5',
    950: '#000000',
  },
}

SCSS

$custom: #3457b5;
$custom-light: #7c85cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3457b5",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 181
  },
  "hsl": {
    "h": 223.721,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48456,
    "c": 0.15459,
    "h": 265.6
  },
  "luminance": 0.10883
}

Semantic roles & 50–950 ramp

primary

#3457B5

secondary

#C6B37F

accent

#B649DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3457B5

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

Preview Lab → · Contrast checker → · Palette generator →