#2D57A3#2D57A3

#2D57A3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.132 H 261.2°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#2D57A3
RGB	rgb(45, 87, 163)
HSL	hsl(219, 57%, 41%)
HSV	hsv(219, 72%, 64%)
CMYK	cmyk(72.4%, 46.6%, 0%, 36.1%)
CIE-LAB	lab(37.87, 12.18, -45.40)
CIE-LCH	lch(37.87, 47.00, 285.01°)
OKLab	oklab(46.84% -0.0202 -0.1301)
OKLCH	oklch(46.84% 0.132 261.2)
XYZ	xyz(11.0989, 10.0174, 35.9919)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D57A3 #A3792D

analogous

#2D92A3 #2D57A3 #3E2DA3

triadic

#2D57A3 #A32D57 #57A32D

tetradic

#2D57A3 #A32D92 #A3792D #2DA33E

square

#2D57A3 #A32D92 #A3792D #2DA33E

split-complementary

#2D57A3 #A33E2D #92A32D

monochromatic

#132443 #203D73 #2D57A3 #4273CB #7297D8

Accessibility & contrast

On white

6.99

#2D57A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#2D57A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D57A3

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D57A3	#FFFFFF	#000000	##FFFFFF
##2D57A3	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305FA6

Deuteranopia (green-blind)

#1654A1

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2d57a3;
/* rgb */ color: rgb(45, 87, 163);
/* oklch */ color: oklch(46.8% 0.132 261.2);

Tailwind

colors: {
  custom: {
    50: '#7585bf',
    500: '#2d57a3',
    950: '#000000',
  },
}

SCSS

$custom: #2d57a3;
$custom-light: #7585bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d57a3",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 163
  },
  "hsl": {
    "h": 218.644,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.46837,
    "c": 0.13164,
    "h": 261.2
  },
  "luminance": 0.10019
}

Semantic roles & 50–950 ramp

primary

#2D57A3

secondary

#C0A26C

accent

#AA48E0

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2D57A3

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

Preview Lab → · Contrast checker → · Palette generator →