#2B578F#2B578F

#2B578F is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.4% C 0.104 H 255.5°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B578F
RGB	rgb(43, 87, 143)
HSL	hsl(214, 54%, 36%)
HSV	hsv(214, 70%, 56%)
CMYK	cmyk(69.9%, 39.2%, 0%, 43.9%)
CIE-LAB	lab(36.58, 4.27, -35.44)
CIE-LCH	lch(36.58, 35.70, 276.87°)
OKLab	oklab(45.42% -0.026 -0.1009)
OKLCH	oklch(45.42% 0.104 255.5)
XYZ	xyz(9.3606, 9.3122, 27.2854)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B578F #8F632B

analogous

#2B898F #2B578F #312B8F

triadic

#2B578F #8F2B57 #578F2B

tetradic

#2B578F #8F2B89 #8F632B #2B8F31

square

#2B578F #8F2B89 #8F632B #2B8F31

split-complementary

#2B578F #8F312B #898F2B

monochromatic

#0F1E31 #1D3A60 #2B578F #3974BE #6494D0

Accessibility & contrast

On white

7.34

#2B578F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2B578F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B578F

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B578F	#FFFFFF	#000000	##FFFFFF
##2B578F	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5B91

Deuteranopia (green-blind)

#2F528E

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b578f;
/* rgb */ color: rgb(43, 87, 143);
/* oklch */ color: oklch(45.4% 0.104 255.5);

Tailwind

colors: {
  custom: {
    50: '#7086b0',
    500: '#2b578f',
    950: '#000000',
  },
}

SCSS

$custom: #2b578f;
$custom-light: #7086b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b578f",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 213.6,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45419,
    "c": 0.10417,
    "h": 255.5
  },
  "luminance": 0.09313
}

Semantic roles & 50–950 ramp

primary

#2B578F

secondary

#B7905F

accent

#9D4BDD

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #2B578F

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

Preview Lab → · Contrast checker → · Palette generator →