#2B577F#2B577F

#2B577F is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.082 H 248.1°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#2B577F
RGB	rgb(43, 87, 127)
HSL	hsl(209, 49%, 33%)
HSV	hsv(209, 66%, 50%)
CMYK	cmyk(66.1%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(35.72, -1.68, -27.03)
CIE-LCH	lch(35.72, 27.08, 266.45°)
OKLab	oklab(44.46% -0.0306 -0.0763)
OKLCH	oklch(44.46% 0.082 248.1)
XYZ	xyz(8.2338, 8.8615, 21.3511)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B577F #7F532B

analogous

#2B7F7D #2B577F #2B2D7F

triadic

#2B577F #7F2B57 #577F2B

tetradic

#2B577F #7D2B7F #7F532B #2D7F2B

square

#2B577F #7D2B7F #7F532B #2D7F2B

split-complementary

#2B577F #7F2B2D #7F7D2B

monochromatic

#0C1824 #1C3851 #2B577F #3A76AD #5C95C8

Accessibility & contrast

On white

7.57

#2B577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2B577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B577F

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B577F	#FFFFFF	#000000	##FFFFFF
##2B577F	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465981

Deuteranopia (green-blind)

#3A507E

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b577f;
/* rgb */ color: rgb(43, 87, 127);
/* oklch */ color: oklch(44.5% 0.082 248.1);

Tailwind

colors: {
  custom: {
    50: '#6d86a4',
    500: '#2b577f',
    950: '#000000',
  },
}

SCSS

$custom: #2b577f;
$custom-light: #6d86a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b577f",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 208.571,
    "s": 49.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44461,
    "c": 0.08222,
    "h": 248.1
  },
  "luminance": 0.08862
}

Semantic roles & 50–950 ramp

primary

#2B577F

secondary

#AE8158

accent

#914FD9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #2B577F

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

Preview Lab → · Contrast checker → · Palette generator →