#2B557D#2B557D

#2B557D is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.081 H 249.1°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B557D
RGB	rgb(43, 85, 125)
HSL	hsl(209, 49%, 33%)
HSV	hsv(209, 66%, 49%)
CMYK	cmyk(65.6%, 32%, 0%, 51%)
CIE-LAB	lab(34.98, -1.14, -26.95)
CIE-LCH	lch(34.98, 26.97, 267.58°)
OKLab	oklab(43.85% -0.029 -0.0761)
OKLCH	oklch(43.85% 0.081 249.1)
XYZ	xyz(7.9451, 8.4905, 20.6182)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B557D #7D532B

analogous

#2B7D7C #2B557D #2B2C7D

triadic

#2B557D #7D2B55 #557D2B

tetradic

#2B557D #7C2B7D #7D532B #2C7D2B

square

#2B557D #7C2B7D #7D532B #2C7D2B

split-complementary

#2B557D #7D2B2C #7D7C2B

monochromatic

#0C1722 #1B364F #2B557D #3B74AB #5C93C7

Accessibility & contrast

On white

7.78

#2B557D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2B557D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B557D

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B557D	#FFFFFF	#000000	##FFFFFF
##2B557D	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44577F

Deuteranopia (green-blind)

#394F7C

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b557d;
/* rgb */ color: rgb(43, 85, 125);
/* oklch */ color: oklch(43.9% 0.081 249.1);

Tailwind

colors: {
  custom: {
    50: '#6d84a3',
    500: '#2b557d',
    950: '#000000',
  },
}

SCSS

$custom: #2b557d;
$custom-light: #6d84a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b557d",
  "rgb": {
    "r": 43,
    "g": 85,
    "b": 125
  },
  "hsl": {
    "h": 209.268,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43852,
    "c": 0.08142,
    "h": 249.1
  },
  "luminance": 0.08491
}

Semantic roles & 50–950 ramp

primary

#2B557D

secondary

#AD8157

accent

#924FD8

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2B557D

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

Preview Lab → · Contrast checker → · Palette generator →