#2A537B#2A537B

#2A537B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.081 H 249.7°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#2A537B
RGB	rgb(42, 83, 123)
HSL	hsl(210, 49%, 32%)
HSV	hsv(210, 66%, 48%)
CMYK	cmyk(65.9%, 32.5%, 0%, 51.8%)
CIE-LAB	lab(34.21, -0.79, -26.93)
CIE-LCH	lch(34.21, 26.94, 268.31°)
OKLab	oklab(43.2% -0.0281 -0.0761)
OKLCH	oklch(43.2% 0.081 249.7)
XYZ	xyz(7.6219, 8.1081, 19.8984)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A537B #7B522A

analogous

#2A7B7B #2A537B #2A2A7B

triadic

#2A537B #7B2A53 #537B2A

tetradic

#2A537B #7B2A7B #7B522A #2A7B2A

square

#2A537B #7B2A7B #7B522A #2A7B2A

split-complementary

#2A537B #7B2A2A #7B7B2A

monochromatic

#0B1520 #1A344D #2A537B #3A72A9 #5990C6

Accessibility & contrast

On white

8.01

#2A537B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2A537B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A537B

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A537B	#FFFFFF	#000000	##FFFFFF
##2A537B	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557D

Deuteranopia (green-blind)

#374D7A

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2a537b;
/* rgb */ color: rgb(42, 83, 123);
/* oklch */ color: oklch(43.2% 0.081 249.7);

Tailwind

colors: {
  custom: {
    50: '#6c83a1',
    500: '#2a537b',
    950: '#000000',
  },
}

SCSS

$custom: #2a537b;
$custom-light: #6c83a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a537b",
  "rgb": {
    "r": 42,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 209.63,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43196,
    "c": 0.08112,
    "h": 249.7
  },
  "luminance": 0.08109
}

Semantic roles & 50–950 ramp

primary

#2A537B

secondary

#AC8055

accent

#934FD9

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #2A537B

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

Preview Lab → · Contrast checker → · Palette generator →