#2A578F#2A578F

#2A578F is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.4% C 0.105 H 255.1°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#2A578F
RGB	rgb(42, 87, 143)
HSL	hsl(213, 55%, 36%)
HSV	hsv(213, 71%, 56%)
CMYK	cmyk(70.6%, 39.2%, 0%, 43.9%)
CIE-LAB	lab(36.54, 4.10, -35.51)
CIE-LCH	lch(36.54, 35.74, 276.59°)
OKLab	oklab(45.38% -0.0268 -0.1011)
OKLCH	oklch(45.38% 0.105 255.1)
XYZ	xyz(9.3192, 9.2908, 27.2835)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A578F #8F622A

analogous

#2A8A8F #2A578F #2F2A8F

triadic

#2A578F #8F2A57 #578F2A

tetradic

#2A578F #8F2A8A #8F622A #2A8F2F

square

#2A578F #8F2A8A #8F622A #2A8F2F

split-complementary

#2A578F #8F2F2A #8A8F2A

monochromatic

#0E1D30 #1C3A60 #2A578F #3874BE #6294D1

Accessibility & contrast

On white

7.35

#2A578F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2A578F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A578F

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A578F	#FFFFFF	#000000	##FFFFFF
##2A578F	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	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: #2a578f;
/* rgb */ color: rgb(42, 87, 143);
/* oklch */ color: oklch(45.4% 0.105 255.1);

Tailwind

colors: {
  custom: {
    50: '#7086b0',
    500: '#2a578f',
    950: '#000000',
  },
}

SCSS

$custom: #2a578f;
$custom-light: #7086b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a578f",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 213.267,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45376,
    "c": 0.10456,
    "h": 255.1
  },
  "luminance": 0.09292
}

Semantic roles & 50–950 ramp

primary

#2A578F

secondary

#B78F5E

accent

#9C4ADE

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #2A578F

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

Preview Lab → · Contrast checker → · Palette generator →