#2A57AF#2A57AF

#2A57AF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.149 H 262.0°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A57AF
RGB	rgb(42, 87, 175)
HSL	hsl(220, 61%, 43%)
HSV	hsv(220, 76%, 69%)
CMYK	cmyk(76%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.56, 16.36, -51.43)
CIE-LCH	lch(38.56, 53.97, 287.65°)
OKLab	oklab(47.58% -0.0207 -0.1479)
OKLCH	oklch(47.58% 0.149 262)
XYZ	xyz(12.0981, 10.4024, 41.9194)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A57AF #AF822A

analogous

#2A9AAF #2A57AF #3F2AAF

triadic

#2A57AF #AF2A57 #57AF2A

tetradic

#2A57AF #AF2A9A #AF822A #2AAF3F

square

#2A57AF #AF2A9A #AF822A #2AAF3F

split-complementary

#2A57AF #AF3F2A #9AAF2A

monochromatic

#12264C #1E3E7E #2A57AF #4474D2 #7599DE

Accessibility & contrast

On white

6.82

#2A57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2A57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A57AF

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A57AF	#FFFFFF	#000000	##FFFFFF
##2A57AF	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2261B2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2a57af;
/* rgb */ color: rgb(42, 87, 175);
/* oklch */ color: oklch(47.6% 0.149 262.0);

Tailwind

colors: {
  custom: {
    50: '#7785c7',
    500: '#2a57af',
    950: '#000000',
  },
}

SCSS

$custom: #2a57af;
$custom-light: #7785c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a57af",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 219.699,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47582,
    "c": 0.14932,
    "h": 262
  },
  "luminance": 0.10404
}

Semantic roles & 50–950 ramp

primary

#2A57AF

secondary

#C6A86F

accent

#AE43E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A57AF

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

Preview Lab → · Contrast checker → · Palette generator →