#3457B2#3457B2

#3457B2 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.150 H 265.3°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3457B2
RGB	rgb(52, 87, 178)
HSL	hsl(223, 55%, 45%)
HSV	hsv(223, 71%, 70%)
CMYK	cmyk(70.8%, 51.1%, 0%, 30.2%)
CIE-LAB	lab(39.17, 18.86, -52.19)
CIE-LCH	lch(39.17, 55.49, 289.87°)
OKLab	oklab(48.23% -0.0123 -0.1499)
OKLCH	oklch(48.23% 0.15 265.3)
XYZ	xyz(12.8574, 10.7595, 43.5100)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457B2 #B28F34

analogous

#3496B2 #3457B2 #5034B2

triadic

#3457B2 #B23457 #57B234

tetradic

#3457B2 #B23496 #B28F34 #34B250

square

#3457B2 #B23496 #B28F34 #34B250

split-complementary

#3457B2 #B25034 #96B234

monochromatic

#182953 #264083 #3457B2 #5677CE #859DDB

Accessibility & contrast

On white

6.66

#3457B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3457B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457B2

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457B2	#FFFFFF	#000000	##FFFFFF
##3457B2	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2062B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3457b2;
/* rgb */ color: rgb(52, 87, 178);
/* oklch */ color: oklch(48.2% 0.150 265.3);

Tailwind

colors: {
  custom: {
    50: '#7b85ca',
    500: '#3457b2',
    950: '#000000',
  },
}

SCSS

$custom: #3457b2;
$custom-light: #7b85ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3457b2",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 178
  },
  "hsl": {
    "h": 223.333,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48232,
    "c": 0.15042,
    "h": 265.3
  },
  "luminance": 0.10761
}

Semantic roles & 50–950 ramp

primary

#3457B2

secondary

#C5B17D

accent

#B54ADE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3457B2

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

Preview Lab → · Contrast checker → · Palette generator →