#2B578E#2B578E

#2B578E is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.4% C 0.103 H 255.2°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#2B578E
RGB	rgb(43, 87, 142)
HSL	hsl(213, 54%, 36%)
HSV	hsv(213, 70%, 56%)
CMYK	cmyk(69.7%, 38.7%, 0%, 44.3%)
CIE-LAB	lab(36.52, 3.89, -34.92)
CIE-LCH	lch(36.52, 35.14, 276.36°)
OKLab	oklab(45.36% -0.0263 -0.0993)
OKLCH	oklch(45.36% 0.103 255.2)
XYZ	xyz(9.2852, 9.2820, 26.8882)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B578E #8E622B

analogous

#2B898E #2B578E #302B8E

triadic

#2B578E #8E2B57 #578E2B

tetradic

#2B578E #8E2B89 #8E622B #2B8E30

square

#2B578E #8E2B89 #8E622B #2B8E30

split-complementary

#2B578E #8E302B #898E2B

monochromatic

#0F1D30 #1D3A5F #2B578E #3974BD #6394D0

Accessibility & contrast

On white

7.35

#2B578E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2B578E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B578E

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B578E	#FFFFFF	#000000	##FFFFFF
##2B578E	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)

#3E5B90

Deuteranopia (green-blind)

#30528D

Tritanopia (blue-blind)

#00646B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b578e;
/* rgb */ color: rgb(43, 87, 142);
/* oklch */ color: oklch(45.4% 0.103 255.2);

Tailwind

colors: {
  custom: {
    50: '#7086af',
    500: '#2b578e',
    950: '#000000',
  },
}

SCSS

$custom: #2b578e;
$custom-light: #7086af;
$custom-dark: #000000;

JSON

{
  "hex": "#2b578e",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 142
  },
  "hsl": {
    "h": 213.333,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45356,
    "c": 0.10276,
    "h": 255.2
  },
  "luminance": 0.09283
}

Semantic roles & 50–950 ramp

primary

#2B578E

secondary

#B68F5F

accent

#9C4BDD

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #2B578E

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

Preview Lab → · Contrast checker → · Palette generator →