#3457AD#3457AD

#3457AD is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.143 H 264.8°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3457AD
RGB	rgb(52, 87, 173)
HSL	hsl(223, 54%, 44%)
HSV	hsv(223, 70%, 68%)
CMYK	cmyk(69.9%, 49.7%, 0%, 32.2%)
CIE-LAB	lab(38.83, 17.00, -49.78)
CIE-LCH	lch(38.83, 52.60, 288.85°)
OKLab	oklab(47.87% -0.0129 -0.1428)
OKLCH	oklch(47.87% 0.143 264.8)
XYZ	xyz(12.3645, 10.5623, 40.9142)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457AD #AD8A34

analogous

#3494AD #3457AD #4E34AD

triadic

#3457AD #AD3457 #57AD34

tetradic

#3457AD #AD3494 #AD8A34 #34AD4E

square

#3457AD #AD3494 #AD8A34 #34AD4E

split-complementary

#3457AD #AD4E34 #94AD34

monochromatic

#18284F #263F7E #3457AD #5376CB #829BD9

Accessibility & contrast

On white

6.75

#3457AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3457AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457AD

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457AD	#FFFFFF	#000000	##FFFFFF
##3457AD	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2761B0

Deuteranopia (green-blind)

#0056AB

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3457ad;
/* rgb */ color: rgb(52, 87, 173);
/* oklch */ color: oklch(47.9% 0.143 264.8);

Tailwind

colors: {
  custom: {
    50: '#7a85c6',
    500: '#3457ad',
    950: '#000000',
  },
}

SCSS

$custom: #3457ad;
$custom-light: #7a85c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3457ad",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 222.645,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47866,
    "c": 0.14342,
    "h": 264.8
  },
  "luminance": 0.10564
}

Semantic roles & 50–950 ramp

primary

#3457AD

secondary

#C3AE7A

accent

#B34BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3457AD

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

Preview Lab → · Contrast checker → · Palette generator →