#3057AF#3057AF

#3057AF is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.8% C 0.147 H 263.8°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3057AF
RGB	rgb(48, 87, 175)
HSL	hsl(222, 57%, 44%)
HSV	hsv(222, 73%, 69%)
CMYK	cmyk(72.6%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.79, 17.16, -51.04)
CIE-LCH	lch(38.79, 53.85, 288.58°)
OKLab	oklab(47.83% -0.016 -0.1466)
OKLCH	oklch(47.83% 0.147 263.8)
XYZ	xyz(12.3622, 10.5386, 41.9318)
Luminance	0.1054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3057AF #AF8830

analogous

#3096AF #3057AF #4830AF

triadic

#3057AF #AF3057 #57AF30

tetradic

#3057AF #AF3096 #AF8830 #30AF48

square

#3057AF #AF3096 #AF8830 #30AF48

split-complementary

#3057AF #AF4830 #96AF30

monochromatic

#16274F #233F7F #3057AF #4E75CE #7E9BDC

Accessibility & contrast

On white

6.76

#3057AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3057AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3057AF

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3057AF	#FFFFFF	#000000	##FFFFFF
##3057AF	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)

#2362B2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3057af;
/* rgb */ color: rgb(48, 87, 175);
/* oklch */ color: oklch(47.8% 0.147 263.8);

Tailwind

colors: {
  custom: {
    50: '#7985c7',
    500: '#3057af',
    950: '#000000',
  },
}

SCSS

$custom: #3057af;
$custom-light: #7985c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3057af",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 221.575,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47829,
    "c": 0.14749,
    "h": 263.8
  },
  "luminance": 0.1054
}

Semantic roles & 50–950 ramp

primary

#3057AF

secondary

#C4AC76

accent

#B148E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3057AF

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

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