#2A57D4#2A57D4

#2A57D4 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.199 H 264.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#2A57D4
RGB	rgb(42, 87, 212)
HSL	hsl(224, 67%, 50%)
HSV	hsv(224, 80%, 83%)
CMYK	cmyk(80.2%, 59%, 0%, 16.9%)
CIE-LAB	lab(41.31, 30.43, -68.50)
CIE-LCH	lch(41.31, 74.96, 293.95°)
OKLab	oklab(50.53% -0.0178 -0.198)
OKLCH	oklch(50.53% 0.199 264.9)
XYZ	xyz(16.2425, 12.0602, 63.7464)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A57D4 #D4A72A

analogous

#2AACD4 #2A57D4 #522AD4

triadic

#2A57D4 #D42A57 #57D42A

tetradic

#2A57D4 #D42AAC #D4A72A #2AD452

square

#2A57D4 #D42AAC #D4A72A #2AD452

split-complementary

#2A57D4 #D4522A #ACD42A

monochromatic

#162D6E #2042A1 #2A57D4 #5C7FDF #8FA7E9

Accessibility & contrast

On white

6.15

#2A57D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#2A57D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A57D4

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A57D4	#FFFFFF	#000000	##FFFFFF
##2A57D4	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD8

Deuteranopia (green-blind)

#005AD2

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2a57d4;
/* rgb */ color: rgb(42, 87, 212);
/* oklch */ color: oklch(50.5% 0.199 264.9);

Tailwind

colors: {
  custom: {
    50: '#7f85e2',
    500: '#2a57d4',
    950: '#000000',
  },
}

SCSS

$custom: #2a57d4;
$custom-light: #7f85e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a57d4",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 212
  },
  "hsl": {
    "h": 224.118,
    "s": 66.929,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50533,
    "c": 0.19884,
    "h": 264.9
  },
  "luminance": 0.12062
}

Semantic roles & 50–950 ramp

primary

#2A57D4

secondary

#D3BF86

accent

#BC3EEA

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #2A57D4

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

Preview Lab → · Contrast checker → · Palette generator →