#2C57A6#2C57A6

#2C57A6 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.136 H 261.3°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#2C57A6
RGB	rgb(44, 87, 166)
HSL	hsl(219, 58%, 41%)
HSV	hsv(219, 73%, 65%)
CMYK	cmyk(73.5%, 47.6%, 0%, 34.9%)
CIE-LAB	lab(38.03, 13.18, -46.94)
CIE-LCH	lch(38.03, 48.76, 285.68°)
OKLab	oklab(47.01% -0.0205 -0.1346)
OKLCH	oklch(47.01% 0.136 261.3)
XYZ	xyz(11.3274, 10.1038, 37.4223)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57A6 #A67B2C

analogous

#2C94A6 #2C57A6 #3E2CA6

triadic

#2C57A6 #A62C57 #57A62C

tetradic

#2C57A6 #A62C94 #A67B2C #2CA63E

square

#2C57A6 #A62C94 #A67B2C #2CA63E

split-complementary

#2C57A6 #A63E2C #94A62C

monochromatic

#122445 #1F3E76 #2C57A6 #4273CD #7397DA

Accessibility & contrast

On white

6.95

#2C57A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2C57A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57A6

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57A6	#FFFFFF	#000000	##FFFFFF
##2C57A6	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5FA9

Deuteranopia (green-blind)

#0E54A4

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2c57a6;
/* rgb */ color: rgb(44, 87, 166);
/* oklch */ color: oklch(47.0% 0.136 261.3);

Tailwind

colors: {
  custom: {
    50: '#7585c1',
    500: '#2c57a6',
    950: '#000000',
  },
}

SCSS

$custom: #2c57a6;
$custom-light: #7585c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57a6",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 166
  },
  "hsl": {
    "h": 218.852,
    "s": 58.095,
    "l": 41.176
  },
  "oklch": {
    "l": 0.47007,
    "c": 0.13618,
    "h": 261.3
  },
  "luminance": 0.10105
}

Semantic roles & 50–950 ramp

primary

#2C57A6

secondary

#C1A36D

accent

#AB46E1

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2C57A6

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

Preview Lab → · Contrast checker → · Palette generator →