#2E57A4#2E57A4

#2E57A4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 46.9% C 0.133 H 261.7°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#2E57A4
RGB	rgb(46, 87, 164)
HSL	hsl(219, 56%, 41%)
HSV	hsv(219, 72%, 64%)
CMYK	cmyk(72%, 47%, 0%, 35.7%)
CIE-LAB	lab(37.98, 12.70, -45.83)
CIE-LCH	lch(37.98, 47.55, 285.50°)
OKLab	oklab(46.95% -0.0193 -0.1313)
OKLCH	oklch(46.95% 0.133 261.7)
XYZ	xyz(11.2334, 10.0764, 36.4677)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57A4 #A47B2E

analogous

#2E92A4 #2E57A4 #402EA4

triadic

#2E57A4 #A42E57 #57A42E

tetradic

#2E57A4 #A42E92 #A47B2E #2EA440

square

#2E57A4 #A42E92 #A47B2E #2EA440

split-complementary

#2E57A4 #A4402E #92A42E

monochromatic

#132444 #213E74 #2E57A4 #4573CB #7497D8

Accessibility & contrast

On white

6.96

#2E57A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2E57A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57A4

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57A4	#FFFFFF	#000000	##FFFFFF
##2E57A4	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5FA7

Deuteranopia (green-blind)

#1554A2

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2e57a4;
/* rgb */ color: rgb(46, 87, 164);
/* oklch */ color: oklch(46.9% 0.133 261.7);

Tailwind

colors: {
  custom: {
    50: '#7685bf',
    500: '#2e57a4',
    950: '#000000',
  },
}

SCSS

$custom: #2e57a4;
$custom-light: #7685bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57a4",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 164
  },
  "hsl": {
    "h": 219.153,
    "s": 56.19,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4695,
    "c": 0.13272,
    "h": 261.7
  },
  "luminance": 0.10078
}

Semantic roles & 50–950 ramp

primary

#2E57A4

secondary

#C0A36E

accent

#AB48DF

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2E57A4

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

Preview Lab → · Contrast checker → · Palette generator →