#3457AC#3457AC

#3457AC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.8% C 0.142 H 264.7°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3457AC
RGB	rgb(52, 87, 172)
HSL	hsl(223, 54%, 44%)
HSV	hsv(223, 70%, 67%)
CMYK	cmyk(69.8%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(38.77, 16.62, -49.30)
CIE-LCH	lch(38.77, 52.03, 288.64°)
OKLab	oklab(47.79% -0.013 -0.1414)
OKLCH	oklch(47.79% 0.142 264.7)
XYZ	xyz(12.2682, 10.5238, 40.4065)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457AC #AC8934

analogous

#3493AC #3457AC #4D34AC

triadic

#3457AC #AC3457 #57AC34

tetradic

#3457AC #AC3493 #AC8934 #34AC4D

square

#3457AC #AC3493 #AC8934 #34AC4D

split-complementary

#3457AC #AC4D34 #93AC34

monochromatic

#18274E #263F7D #3457AC #5276CB #819BD9

Accessibility & contrast

On white

6.76

#3457AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3457AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457AC

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457AC	#FFFFFF	#000000	##FFFFFF
##3457AC	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2861AF

Deuteranopia (green-blind)

#0256AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3457ac;
/* rgb */ color: rgb(52, 87, 172);
/* oklch */ color: oklch(47.8% 0.142 264.7);

Tailwind

colors: {
  custom: {
    50: '#7a85c5',
    500: '#3457ac',
    950: '#000000',
  },
}

SCSS

$custom: #3457ac;
$custom-light: #7a85c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3457ac",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 222.5,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.47793,
    "c": 0.14202,
    "h": 264.7
  },
  "luminance": 0.10525
}

Semantic roles & 50–950 ramp

primary

#3457AC

secondary

#C2AD79

accent

#B24BDD

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3457AC

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

Preview Lab → · Contrast checker → · Palette generator →