#2E57BB#2E57BB

#2E57BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.165 H 264.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#2E57BB
RGB	rgb(46, 87, 187)
HSL	hsl(223, 61%, 46%)
HSV	hsv(223, 75%, 73%)
CMYK	cmyk(75.4%, 53.5%, 0%, 26.7%)
CIE-LAB	lab(39.55, 21.43, -56.87)
CIE-LCH	lch(39.55, 60.77, 290.65°)
OKLab	oklab(48.65% -0.0163 -0.1638)
OKLCH	oklch(48.65% 0.165 264.3)
XYZ	xyz(13.5014, 10.9836, 48.4126)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57BB #BB922E

analogous

#2E9DBB #2E57BB #4B2EBB

triadic

#2E57BB #BB2E57 #57BB2E

tetradic

#2E57BB #BB2E9D #BB922E #2EBB4B

square

#2E57BB #BB2E9D #BB922E #2EBB4B

split-complementary

#2E57BB #BB4B2E #9DBB2E

monochromatic

#162959 #22408A #2E57BB #5278D4 #839EE0

Accessibility & contrast

On white

6.57

#2E57BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#2E57BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57BB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57BB	#FFFFFF	#000000	##FFFFFF
##2E57BB	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0964BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2e57bb;
/* rgb */ color: rgb(46, 87, 187);
/* oklch */ color: oklch(48.7% 0.165 264.3);

Tailwind

colors: {
  custom: {
    50: '#7b85d0',
    500: '#2e57bb',
    950: '#000000',
  },
}

SCSS

$custom: #2e57bb;
$custom-light: #7b85d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57bb",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 187
  },
  "hsl": {
    "h": 222.553,
    "s": 60.515,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48653,
    "c": 0.16461,
    "h": 264.3
  },
  "luminance": 0.10985
}

Semantic roles & 50–950 ramp

primary

#2E57BB

secondary

#CAB37B

accent

#B544E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2E57BB

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

Preview Lab → · Contrast checker → · Palette generator →