#2B57A4#2B57A4

#2B57A4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.134 H 260.7°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#2B57A4
RGB	rgb(43, 87, 164)
HSL	hsl(218, 58%, 41%)
HSV	hsv(218, 74%, 64%)
CMYK	cmyk(73.8%, 47%, 0%, 35.7%)
CIE-LAB	lab(37.86, 12.27, -46.02)
CIE-LCH	lch(37.86, 47.63, 284.93°)
OKLab	oklab(46.82% -0.0216 -0.132)
OKLCH	oklch(46.82% 0.134 260.7)
XYZ	xyz(11.1029, 10.0091, 36.4616)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B57A4 #A4782B

analogous

#2B93A4 #2B57A4 #3C2BA4

triadic

#2B57A4 #A42B57 #57A42B

tetradic

#2B57A4 #A42B93 #A4782B #2BA43C

square

#2B57A4 #A42B93 #A4782B #2BA43C

split-complementary

#2B57A4 #A43C2B #93A42B

monochromatic

#122443 #1E3D74 #2B57A4 #3F73CD #7096D9

Accessibility & contrast

On white

7.00

#2B57A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#2B57A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B57A4

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B57A4	#FFFFFF	#000000	##FFFFFF
##2B57A4	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5FA7

Deuteranopia (green-blind)

#1254A2

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2b57a4;
/* rgb */ color: rgb(43, 87, 164);
/* oklch */ color: oklch(46.8% 0.134 260.7);

Tailwind

colors: {
  custom: {
    50: '#7585bf',
    500: '#2b57a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b57a4;
$custom-light: #7585bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b57a4",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 164
  },
  "hsl": {
    "h": 218.182,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46824,
    "c": 0.13371,
    "h": 260.7
  },
  "luminance": 0.1001
}

Semantic roles & 50–950 ramp

primary

#2B57A4

secondary

#C1A16A

accent

#A946E2

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B57A4

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

Preview Lab → · Contrast checker → · Palette generator →