#2B577D#2B577D

#2B577D is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.080 H 246.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B577D
RGB	rgb(43, 87, 125)
HSL	hsl(208, 49%, 33%)
HSV	hsv(208, 66%, 49%)
CMYK	cmyk(65.6%, 30.4%, 0%, 51%)
CIE-LAB	lab(35.62, -2.41, -25.96)
CIE-LCH	lch(35.62, 26.07, 264.70°)
OKLab	oklab(44.35% -0.0313 -0.0732)
OKLCH	oklch(44.35% 0.08 246.9)
XYZ	xyz(8.1048, 8.8099, 20.6714)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B577D #7D512B

analogous

#2B7D7A #2B577D #2B2E7D

triadic

#2B577D #7D2B57 #577D2B

tetradic

#2B577D #7A2B7D #7D512B #2E7D2B

square

#2B577D #7A2B7D #7D512B #2E7D2B

split-complementary

#2B577D #7D2B2E #7D7A2B

monochromatic

#0C1822 #1B374F #2B577D #3B77AB #5C95C7

Accessibility & contrast

On white

7.60

#2B577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2B577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B577D

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B577D	#FFFFFF	#000000	##FFFFFF
##2B577D	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46587F

Deuteranopia (green-blind)

#3B507C

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b577d;
/* rgb */ color: rgb(43, 87, 125);
/* oklch */ color: oklch(44.3% 0.080 246.9);

Tailwind

colors: {
  custom: {
    50: '#6d86a3',
    500: '#2b577d',
    950: '#000000',
  },
}

SCSS

$custom: #2b577d;
$custom-light: #6d86a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b577d",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 207.805,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44349,
    "c": 0.0796,
    "h": 246.9
  },
  "luminance": 0.08811
}

Semantic roles & 50–950 ramp

primary

#2B577D

secondary

#AD7F57

accent

#8F4FD8

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #2B577D

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

Preview Lab → · Contrast checker → · Palette generator →