#2E57B8#2E57B8

#2E57B8 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.4% C 0.161 H 264.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#2E57B8
RGB	rgb(46, 87, 184)
HSL	hsl(222, 60%, 45%)
HSV	hsv(222, 75%, 72%)
CMYK	cmyk(75%, 52.7%, 0%, 27.8%)
CIE-LAB	lab(39.34, 20.30, -55.46)
CIE-LCH	lch(39.34, 59.06, 290.10°)
OKLab	oklab(48.42% -0.0166 -0.1597)
OKLCH	oklch(48.42% 0.161 264.1)
XYZ	xyz(13.1836, 10.8565, 46.7388)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57B8 #B88F2E

analogous

#2E9CB8 #2E57B8 #4A2EB8

triadic

#2E57B8 #B82E57 #57B82E

tetradic

#2E57B8 #B82E9C #B88F2E #2EB84A

square

#2E57B8 #B82E9C #B88F2E #2EB84A

split-complementary

#2E57B8 #B84A2E #9CB82E

monochromatic

#162956 #224087 #2E57B8 #5077D3 #819DDF

Accessibility & contrast

On white

6.62

#2E57B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2E57B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57B8

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57B8	#FFFFFF	#000000	##FFFFFF
##2E57B8	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1363BB

Deuteranopia (green-blind)

#0057B6

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2e57b8;
/* rgb */ color: rgb(46, 87, 184);
/* oklch */ color: oklch(48.4% 0.161 264.1);

Tailwind

colors: {
  custom: {
    50: '#7a85ce',
    500: '#2e57b8',
    950: '#000000',
  },
}

SCSS

$custom: #2e57b8;
$custom-light: #7a85ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57b8",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 184
  },
  "hsl": {
    "h": 222.174,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48421,
    "c": 0.16052,
    "h": 264.1
  },
  "luminance": 0.10858
}

Semantic roles & 50–950 ramp

primary

#2E57B8

secondary

#C8B179

accent

#B445E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2E57B8

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

Preview Lab → · Contrast checker → · Palette generator →