#3457AA#3457AA

#3457AA is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.139 H 264.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3457AA
RGB	rgb(52, 87, 170)
HSL	hsl(222, 53%, 44%)
HSV	hsv(222, 69%, 67%)
CMYK	cmyk(69.4%, 48.8%, 0%, 33.3%)
CIE-LAB	lab(38.63, 15.88, -48.33)
CIE-LCH	lch(38.63, 50.87, 288.19°)
OKLab	oklab(47.65% -0.0133 -0.1386)
OKLCH	oklch(47.65% 0.139 264.5)
XYZ	xyz(12.0775, 10.4475, 39.4025)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457AA #AA8734

analogous

#3492AA #3457AA #4C34AA

triadic

#3457AA #AA3457 #57AA34

tetradic

#3457AA #AA3492 #AA8734 #34AA4C

square

#3457AA #AA3492 #AA8734 #34AA4C

split-complementary

#3457AA #AA4C34 #92AA34

monochromatic

#17274C #263F7B #3457AA #5175CA #809AD8

Accessibility & contrast

On white

6.80

#3457AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3457AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457AA

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457AA	#FFFFFF	#000000	##FFFFFF
##3457AA	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A61AD

Deuteranopia (green-blind)

#0A56A8

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3457aa;
/* rgb */ color: rgb(52, 87, 170);
/* oklch */ color: oklch(47.6% 0.139 264.5);

Tailwind

colors: {
  custom: {
    50: '#7985c4',
    500: '#3457aa',
    950: '#000000',
  },
}

SCSS

$custom: #3457aa;
$custom-light: #7985c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3457aa",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 170
  },
  "hsl": {
    "h": 222.203,
    "s": 53.153,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4765,
    "c": 0.1392,
    "h": 264.5
  },
  "luminance": 0.10449
}

Semantic roles & 50–950 ramp

primary

#3457AA

secondary

#C1AC78

accent

#B14BDD

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3457AA

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

Preview Lab → · Contrast checker → · Palette generator →