#2E57B4#2E57B4

#2E57B4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.1% C 0.155 H 263.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#2E57B4
RGB	rgb(46, 87, 180)
HSL	hsl(222, 59%, 44%)
HSV	hsv(222, 74%, 71%)
CMYK	cmyk(74.4%, 51.7%, 0%, 29.4%)
CIE-LAB	lab(39.06, 18.78, -53.57)
CIE-LCH	lch(39.06, 56.76, 289.32°)
OKLab	oklab(48.12% -0.017 -0.1541)
OKLCH	oklch(48.12% 0.155 263.7)
XYZ	xyz(12.7702, 10.6911, 44.5617)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57B4 #B48B2E

analogous

#2E9AB4 #2E57B4 #482EB4

triadic

#2E57B4 #B42E57 #57B42E

tetradic

#2E57B4 #B42E9A #B48B2E #2EB448

square

#2E57B4 #B42E9A #B48B2E #2EB448

split-complementary

#2E57B4 #B4482E #9AB42E

monochromatic

#152853 #223F83 #2E57B4 #4E76D2 #7E9CDE

Accessibility & contrast

On white

6.69

#2E57B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2E57B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57B4

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57B4	#FFFFFF	#000000	##FFFFFF
##2E57B4	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B62B7

Deuteranopia (green-blind)

#0056B2

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2e57b4;
/* rgb */ color: rgb(46, 87, 180);
/* oklch */ color: oklch(48.1% 0.155 263.7);

Tailwind

colors: {
  custom: {
    50: '#7985cb',
    500: '#2e57b4',
    950: '#000000',
  },
}

SCSS

$custom: #2e57b4;
$custom-light: #7985cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57b4",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 180
  },
  "hsl": {
    "h": 221.642,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48117,
    "c": 0.15503,
    "h": 263.7
  },
  "luminance": 0.10693
}

Semantic roles & 50–950 ramp

primary

#2E57B4

secondary

#C7AE77

accent

#B245E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2E57B4

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

Preview Lab → · Contrast checker → · Palette generator →