#3B577A#3B577A

#3B577A is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.067 H 254.5°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3B577A
RGB	rgb(59, 87, 122)
HSL	hsl(213, 35%, 35%)
HSV	hsv(213, 52%, 48%)
CMYK	cmyk(51.6%, 28.7%, 0%, 52.2%)
CIE-LAB	lab(36.27, 0.22, -23.02)
CIE-LCH	lch(36.27, 23.02, 270.56°)
OKLab	oklab(45.04% -0.0179 -0.0645)
OKLCH	oklch(45.04% 0.067 254.5)
XYZ	xyz(8.7235, 9.1507, 19.7152)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B577A #7A5E3B

analogous

#3B767A #3B577A #3E3B7A

triadic

#3B577A #7A3B57 #577A3B

tetradic

#3B577A #7A3B76 #7A5E3B #3B7A3E

square

#3B577A #7A3B76 #7A5E3B #3B7A3E

split-complementary

#3B577A #7A3E3B #767A3B

monochromatic

#131C27 #273A51 #3B577A #4F74A3 #7494BC

Accessibility & contrast

On white

7.42

#3B577A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3B577A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B577A

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B577A	#FFFFFF	#000000	##FFFFFF
##3B577A	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49597C

Deuteranopia (green-blind)

#425379

Tritanopia (blue-blind)

#1E5F63

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b577a;
/* rgb */ color: rgb(59, 87, 122);
/* oklch */ color: oklch(45.0% 0.067 254.5);

Tailwind

colors: {
  custom: {
    50: '#7586a0',
    500: '#3b577a',
    950: '#000000',
  },
}

SCSS

$custom: #3b577a;
$custom-light: #7586a0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b577a",
  "rgb": {
    "r": 59,
    "g": 87,
    "b": 122
  },
  "hsl": {
    "h": 213.333,
    "s": 34.807,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45036,
    "c": 0.0669,
    "h": 254.5
  },
  "luminance": 0.09151
}

Semantic roles & 50–950 ramp

primary

#3B577A

secondary

#A58C6C

accent

#9A5DCB

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0E

muted

#7B7C7E

Preview Lab

Preview with #3B577A

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

Preview Lab → · Contrast checker → · Palette generator →