#2D57A4#2D57A4

#2D57A4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 46.9% C 0.133 H 261.3°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#2D57A4
RGB	rgb(45, 87, 164)
HSL	hsl(219, 57%, 41%)
HSV	hsv(219, 73%, 64%)
CMYK	cmyk(72.6%, 47%, 0%, 35.7%)
CIE-LAB	lab(37.94, 12.56, -45.89)
CIE-LCH	lch(37.94, 47.58, 285.30°)
OKLab	oklab(46.91% -0.0201 -0.1315)
OKLCH	oklch(46.91% 0.133 261.3)
XYZ	xyz(11.1888, 10.0534, 36.4656)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D57A4 #A47A2D

analogous

#2D92A4 #2D57A4 #3F2DA4

triadic

#2D57A4 #A42D57 #57A42D

tetradic

#2D57A4 #A42D92 #A47A2D #2DA43F

square

#2D57A4 #A42D92 #A47A2D #2DA43F

split-complementary

#2D57A4 #A43F2D #92A42D

monochromatic

#132444 #203E74 #2D57A4 #4373CB #7397D9

Accessibility & contrast

On white

6.97

#2D57A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2D57A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D57A4

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D57A4	#FFFFFF	#000000	##FFFFFF
##2D57A4	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5FA7

Deuteranopia (green-blind)

#1454A2

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2d57a4;
/* rgb */ color: rgb(45, 87, 164);
/* oklch */ color: oklch(46.9% 0.133 261.3);

Tailwind

colors: {
  custom: {
    50: '#7585bf',
    500: '#2d57a4',
    950: '#000000',
  },
}

SCSS

$custom: #2d57a4;
$custom-light: #7585bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d57a4",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 164
  },
  "hsl": {
    "h": 218.824,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.46907,
    "c": 0.13304,
    "h": 261.3
  },
  "luminance": 0.10055
}

Semantic roles & 50–950 ramp

primary

#2D57A4

secondary

#C0A36D

accent

#AA48E0

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2D57A4

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

Preview Lab → · Contrast checker → · Palette generator →