#2B577E#2B577E

#2B577E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.4% C 0.081 H 247.5°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#2B577E
RGB	rgb(43, 87, 126)
HSL	hsl(208, 49%, 33%)
HSV	hsv(208, 66%, 49%)
CMYK	cmyk(65.9%, 31%, 0%, 50.6%)
CIE-LAB	lab(35.67, -2.04, -26.49)
CIE-LCH	lch(35.67, 26.57, 265.59°)
OKLab	oklab(44.41% -0.031 -0.0747)
OKLCH	oklch(44.41% 0.081 247.5)
XYZ	xyz(8.1690, 8.8355, 21.0095)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B577E #7E522B

analogous

#2B7E7B #2B577E #2B2D7E

triadic

#2B577E #7E2B57 #577E2B

tetradic

#2B577E #7B2B7E #7E522B #2D7E2B

square

#2B577E #7B2B7E #7E522B #2D7E2B

split-complementary

#2B577E #7E2B2D #7E7B2B

monochromatic

#0C1823 #1B3750 #2B577E #3B77AC #5C95C7

Accessibility & contrast

On white

7.59

#2B577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2B577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B577E

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B577E	#FFFFFF	#000000	##FFFFFF
##2B577E	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465880

Deuteranopia (green-blind)

#3B507D

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b577e;
/* rgb */ color: rgb(43, 87, 126);
/* oklch */ color: oklch(44.4% 0.081 247.5);

Tailwind

colors: {
  custom: {
    50: '#6d86a3',
    500: '#2b577e',
    950: '#000000',
  },
}

SCSS

$custom: #2b577e;
$custom-light: #6d86a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b577e",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 208.193,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44405,
    "c": 0.08091,
    "h": 247.5
  },
  "luminance": 0.08836
}

Semantic roles & 50–950 ramp

primary

#2B577E

secondary

#AD8058

accent

#904FD9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #2B577E

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

Preview Lab → · Contrast checker → · Palette generator →