#2B577C#2B577C

#2B577C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.078 H 246.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#2B577C
RGB	rgb(43, 87, 124)
HSL	hsl(207, 49%, 33%)
HSV	hsv(207, 65%, 49%)
CMYK	cmyk(65.3%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(35.57, -2.77, -25.42)
CIE-LCH	lch(35.57, 25.57, 263.78°)
OKLab	oklab(44.29% -0.0316 -0.0716)
OKLCH	oklch(44.29% 0.078 246.2)
XYZ	xyz(8.0412, 8.7844, 20.3367)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B577C #7C502B

analogous

#2B7C78 #2B577C #2B2F7C

triadic

#2B577C #7C2B57 #577C2B

tetradic

#2B577C #782B7C #7C502B #2F7C2B

square

#2B577C #782B7C #7C502B #2F7C2B

split-complementary

#2B577C #7C2B2F #7C782B

monochromatic

#0B1721 #1B374F #2B577C #3B77A9 #5B95C6

Accessibility & contrast

On white

7.62

#2B577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2B577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B577C

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B577C	#FFFFFF	#000000	##FFFFFF
##2B577C	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587E

Deuteranopia (green-blind)

#3C507B

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b577c;
/* rgb */ color: rgb(43, 87, 124);
/* oklch */ color: oklch(44.3% 0.078 246.2);

Tailwind

colors: {
  custom: {
    50: '#6d86a2',
    500: '#2b577c',
    950: '#000000',
  },
}

SCSS

$custom: #2b577c;
$custom-light: #6d86a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b577c",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 207.407,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44294,
    "c": 0.0783,
    "h": 246.2
  },
  "luminance": 0.08785
}

Semantic roles & 50–950 ramp

primary

#2B577C

secondary

#AC7E57

accent

#8E50D8

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #2B577C

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

Preview Lab → · Contrast checker → · Palette generator →