#2E57AB#2E57AB

#2E57AB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.4% C 0.143 H 262.7°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#2E57AB
RGB	rgb(46, 87, 171)
HSL	hsl(220, 58%, 43%)
HSV	hsv(220, 73%, 67%)
CMYK	cmyk(73.1%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(38.44, 15.36, -49.25)
CIE-LCH	lch(38.44, 51.59, 287.33°)
OKLab	oklab(47.45% -0.0182 -0.1414)
OKLCH	oklch(47.45% 0.143 262.7)
XYZ	xyz(11.8830, 10.3362, 39.8890)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57AB #AB822E

analogous

#2E96AB #2E57AB #432EAB

triadic

#2E57AB #AB2E57 #57AB2E

tetradic

#2E57AB #AB2E96 #AB822E #2EAB43

square

#2E57AB #AB2E96 #AB822E #2EAB43

split-complementary

#2E57AB #AB432E #96AB2E

monochromatic

#14264B #213E7B #2E57AB #4874CE #7999DB

Accessibility & contrast

On white

6.85

#2E57AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2E57AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57AB

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57AB	#FFFFFF	#000000	##FFFFFF
##2E57AB	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2861AE

Deuteranopia (green-blind)

#0055A9

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2e57ab;
/* rgb */ color: rgb(46, 87, 171);
/* oklch */ color: oklch(47.4% 0.143 262.7);

Tailwind

colors: {
  custom: {
    50: '#7785c5',
    500: '#2e57ab',
    950: '#000000',
  },
}

SCSS

$custom: #2e57ab;
$custom-light: #7785c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57ab",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 220.32,
    "s": 57.604,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4745,
    "c": 0.14254,
    "h": 262.7
  },
  "luminance": 0.10338
}

Semantic roles & 50–950 ramp

primary

#2E57AB

secondary

#C3A872

accent

#AE47E1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2E57AB

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

Preview Lab → · Contrast checker → · Palette generator →