#2B537D#2B537D

#2B537D is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.083 H 251.3°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B537D
RGB	rgb(43, 83, 125)
HSL	hsl(211, 49%, 33%)
HSV	hsv(211, 66%, 49%)
CMYK	cmyk(65.6%, 33.6%, 0%, 51%)
CIE-LAB	lab(34.35, 0.14, -27.93)
CIE-LCH	lch(34.35, 27.93, 270.29°)
OKLab	oklab(43.36% -0.0267 -0.079)
OKLCH	oklch(43.36% 0.083 251.3)
XYZ	xyz(7.7898, 8.1800, 20.5664)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B537D #7D552B

analogous

#2B7C7D #2B537D #2C2B7D

triadic

#2B537D #7D2B53 #537D2B

tetradic

#2B537D #7D2B7C #7D552B #2B7D2C

square

#2B537D #7D2B7C #7D552B #2B7D2C

split-complementary

#2B537D #7D2C2B #7C7D2B

monochromatic

#0C1722 #1B354F #2B537D #3B71AB #5C90C7

Accessibility & contrast

On white

7.97

#2B537D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2B537D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B537D

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B537D	#FFFFFF	#000000	##FFFFFF
##2B537D	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41557F

Deuteranopia (green-blind)

#364D7C

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b537d;
/* rgb */ color: rgb(43, 83, 125);
/* oklch */ color: oklch(43.4% 0.083 251.3);

Tailwind

colors: {
  custom: {
    50: '#6d83a3',
    500: '#2b537d',
    950: '#000000',
  },
}

SCSS

$custom: #2b537d;
$custom-light: #6d83a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b537d",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 125
  },
  "hsl": {
    "h": 210.732,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43358,
    "c": 0.08337,
    "h": 251.3
  },
  "luminance": 0.08181
}

Semantic roles & 50–950 ramp

primary

#2B537D

secondary

#AD8357

accent

#964FD8

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #2B537D

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

Preview Lab → · Contrast checker → · Palette generator →