#2E57AC#2E57AC

#2E57AC is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.144 H 262.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2E57AC
RGB	rgb(46, 87, 172)
HSL	hsl(220, 58%, 43%)
HSV	hsv(220, 73%, 67%)
CMYK	cmyk(73.3%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(38.51, 15.74, -49.73)
CIE-LCH	lch(38.51, 52.16, 287.57°)
OKLab	oklab(47.52% -0.018 -0.1428)
OKLCH	oklch(47.52% 0.144 262.8)
XYZ	xyz(11.9787, 10.3745, 40.3929)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E57AC #AC832E

analogous

#2E96AC #2E57AC #442EAC

triadic

#2E57AC #AC2E57 #57AC2E

tetradic

#2E57AC #AC2E96 #AC832E #2EAC44

square

#2E57AC #AC2E96 #AC832E #2EAC44

split-complementary

#2E57AC #AC442E #96AC2E

monochromatic

#14264B #213F7C #2E57AC #4974CE #7999DB

Accessibility & contrast

On white

6.83

#2E57AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2E57AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E57AC

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E57AC	#FFFFFF	#000000	##FFFFFF
##2E57AC	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2761AF

Deuteranopia (green-blind)

#0055AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2e57ac;
/* rgb */ color: rgb(46, 87, 172);
/* oklch */ color: oklch(47.5% 0.144 262.8);

Tailwind

colors: {
  custom: {
    50: '#7885c5',
    500: '#2e57ac',
    950: '#000000',
  },
}

SCSS

$custom: #2e57ac;
$custom-light: #7885c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2e57ac",
  "rgb": {
    "r": 46,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 220.476,
    "s": 57.798,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47523,
    "c": 0.14394,
    "h": 262.8
  },
  "luminance": 0.10376
}

Semantic roles & 50–950 ramp

primary

#2E57AC

secondary

#C3A972

accent

#AF47E1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2E57AC

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

Preview Lab → · Contrast checker → · Palette generator →