#3457CE#3457CE

#3457CE is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.188 H 266.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3457CE
RGB	rgb(52, 87, 206)
HSL	hsl(226, 61%, 51%)
HSV	hsv(226, 75%, 81%)
CMYK	cmyk(74.8%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(41.22, 29.23, -65.19)
CIE-LCH	lch(41.22, 71.44, 294.15°)
OKLab	oklab(50.42% -0.0103 -0.1882)
OKLCH	oklch(50.42% 0.188 266.9)
XYZ	xyz(15.9611, 12.0009, 59.8558)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457CE #CEAB34

analogous

#34A4CE #3457CE #5E34CE

triadic

#3457CE #CE3457 #57CE34

tetradic

#3457CE #CE34A4 #CEAB34 #34CE5E

square

#3457CE #CE34A4 #CEAB34 #34CE5E

split-complementary

#3457CE #CE5E34 #A4CE34

monochromatic

#1A2D6D #26429F #3457CE #6580DA #97A9E6

Accessibility & contrast

On white

6.18

#3457CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3457CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457CE

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457CE	#FFFFFF	#000000	##FFFFFF
##3457CE	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D2

Deuteranopia (green-blind)

#005ACC

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3457ce;
/* rgb */ color: rgb(52, 87, 206);
/* oklch */ color: oklch(50.4% 0.188 266.9);

Tailwind

colors: {
  custom: {
    50: '#8186de',
    500: '#3457ce',
    950: '#000000',
  },
}

SCSS

$custom: #3457ce;
$custom-light: #8186de;
$custom-dark: #000000;

JSON

{
  "hex": "#3457ce",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 226.364,
    "s": 61.111,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50421,
    "c": 0.18843,
    "h": 266.9
  },
  "luminance": 0.12003
}

Semantic roles & 50–950 ramp

primary

#3457CE

secondary

#D1C28D

accent

#C044E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3457CE

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

Preview Lab → · Contrast checker → · Palette generator →