#2E57B7#2E57B7

#2E57B7 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.159 H 264.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#2E57B7
RGB	rgb(46, 87, 183)
HSL	hsl(222, 60%, 45%)
HSV	hsv(222, 75%, 72%)
CMYK	cmyk(74.9%, 52.5%, 0%, 28.2%)
CIE-LAB	lab(39.27, 19.92, -54.99)
CIE-LCH	lch(39.27, 58.48, 289.91°)
OKLab	oklab(48.35% -0.0167 -0.1583)
OKLCH	oklch(48.35% 0.159 264)
XYZ	xyz(13.0791, 10.8147, 46.1887)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57B7 #B78E2E

analogous

#2E9BB7 #2E57B7 #4A2EB7

triadic

#2E57B7 #B72E57 #57B72E

tetradic

#2E57B7 #B72E9B #B78E2E #2EB74A

square

#2E57B7 #B72E9B #B78E2E #2EB74A

split-complementary

#2E57B7 #B74A2E #9BB72E

monochromatic

#152855 #224086 #2E57B7 #4F77D3 #809DDF

Accessibility & contrast

On white

6.64

#2E57B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#2E57B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57B7

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57B7	#FFFFFF	#000000	##FFFFFF
##2E57B7	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1563BA

Deuteranopia (green-blind)

#0057B5

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2e57b7;
/* rgb */ color: rgb(46, 87, 183);
/* oklch */ color: oklch(48.3% 0.159 264.0);

Tailwind

colors: {
  custom: {
    50: '#7a85cd',
    500: '#2e57b7',
    950: '#000000',
  },
}

SCSS

$custom: #2e57b7;
$custom-light: #7a85cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57b7",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 183
  },
  "hsl": {
    "h": 222.044,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48345,
    "c": 0.15915,
    "h": 264
  },
  "luminance": 0.10816
}

Semantic roles & 50–950 ramp

primary

#2E57B7

secondary

#C8B079

accent

#B445E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #2E57B7

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

Preview Lab → · Contrast checker → · Palette generator →