#2E57A8#2E57A8

#2E57A8 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.138 H 262.3°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#2E57A8
RGB	rgb(46, 87, 168)
HSL	hsl(220, 57%, 42%)
HSV	hsv(220, 73%, 66%)
CMYK	cmyk(72.6%, 48.2%, 0%, 34.1%)
CIE-LAB	lab(38.24, 14.22, -47.79)
CIE-LCH	lch(38.24, 49.86, 286.57°)
OKLab	oklab(47.23% -0.0186 -0.1371)
OKLCH	oklch(47.23% 0.138 262.3)
XYZ	xyz(11.6003, 10.2232, 38.4001)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57A8 #A87F2E

analogous

#2E94A8 #2E57A8 #422EA8

triadic

#2E57A8 #A82E57 #57A82E

tetradic

#2E57A8 #A82E94 #A87F2E #2EA842

square

#2E57A8 #A82E94 #A87F2E #2EA842

split-complementary

#2E57A8 #A8422E #94A82E

monochromatic

#142548 #213E78 #2E57A8 #4774CD #7798DA

Accessibility & contrast

On white

6.90

#2E57A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2E57A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57A8

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57A8	#FFFFFF	#000000	##FFFFFF
##2E57A8	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B60AB

Deuteranopia (green-blind)

#0955A6

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2e57a8;
/* rgb */ color: rgb(46, 87, 168);
/* oklch */ color: oklch(47.2% 0.138 262.3);

Tailwind

colors: {
  custom: {
    50: '#7785c2',
    500: '#2e57a8',
    950: '#000000',
  },
}

SCSS

$custom: #2e57a8;
$custom-light: #7785c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57a8",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 168
  },
  "hsl": {
    "h": 219.836,
    "s": 57.009,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47234,
    "c": 0.13834,
    "h": 262.3
  },
  "luminance": 0.10224
}

Semantic roles & 50–950 ramp

primary

#2E57A8

secondary

#C2A670

accent

#AD48E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2E57A8

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

Preview Lab → · Contrast checker → · Palette generator →