#2E57AF#2E57AF

#2E57AF is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.148 H 263.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2E57AF
RGB	rgb(46, 87, 175)
HSL	hsl(221, 58%, 43%)
HSV	hsv(221, 74%, 69%)
CMYK	cmyk(73.7%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.71, 16.88, -51.18)
CIE-LCH	lch(38.71, 53.89, 288.26°)
OKLab	oklab(47.74% -0.0176 -0.1471)
OKLCH	oklch(47.74% 0.148 263.2)
XYZ	xyz(12.2700, 10.4910, 41.9274)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57AF #AF862E

analogous

#2E97AF #2E57AF #452EAF

triadic

#2E57AF #AF2E57 #57AF2E

tetradic

#2E57AF #AF2E97 #AF862E #2EAF45

square

#2E57AF #AF2E97 #AF862E #2EAF45

split-complementary

#2E57AF #AF452E #97AF2E

monochromatic

#15274E #213F7F #2E57AF #4B75D0 #7B9ADC

Accessibility & contrast

On white

6.78

#2E57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2E57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57AF

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57AF	#FFFFFF	#000000	##FFFFFF
##2E57AF	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2361B2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2e57af;
/* rgb */ color: rgb(46, 87, 175);
/* oklch */ color: oklch(47.7% 0.148 263.2);

Tailwind

colors: {
  custom: {
    50: '#7885c7',
    500: '#2e57af',
    950: '#000000',
  },
}

SCSS

$custom: #2e57af;
$custom-light: #7885c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57af",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 220.93,
    "s": 58.371,
    "l": 43.333
  },
  "oklch": {
    "l": 0.47743,
    "c": 0.14812,
    "h": 263.2
  },
  "luminance": 0.10492
}

Semantic roles & 50–950 ramp

primary

#2E57AF

secondary

#C5AB74

accent

#B046E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2E57AF

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

Preview Lab → · Contrast checker → · Palette generator →