#3B577E#3B577E

#3B577E is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.2% C 0.073 H 256.8°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#3B577E
RGB	rgb(59, 87, 126)
HSL	hsl(215, 36%, 36%)
HSV	hsv(215, 53%, 49%)
CMYK	cmyk(53.2%, 31%, 0%, 50.6%)
CIE-LAB	lab(36.46, 1.56, -25.18)
CIE-LCH	lch(36.46, 25.23, 273.54°)
OKLab	oklab(45.25% -0.0166 -0.0707)
OKLCH	oklch(45.25% 0.073 256.8)
XYZ	xyz(8.9764, 9.2519, 21.0474)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B577E #7E623B

analogous

#3B797E #3B577E #413B7E

triadic

#3B577E #7E3B57 #577E3B

tetradic

#3B577E #7E3B79 #7E623B #3B7E41

square

#3B577E #7E3B79 #7E623B #3B7E41

split-complementary

#3B577E #7E413B #797E3B

monochromatic

#141D2B #273A54 #3B577E #4F74A8 #7594BE

Accessibility & contrast

On white

7.37

#3B577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3B577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B577E

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B577E	#FFFFFF	#000000	##FFFFFF
##3B577E	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485980

Deuteranopia (green-blind)

#40537D

Tritanopia (blue-blind)

#1A6065

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b577e;
/* rgb */ color: rgb(59, 87, 126);
/* oklch */ color: oklch(45.2% 0.073 256.8);

Tailwind

colors: {
  custom: {
    50: '#7586a3',
    500: '#3b577e',
    950: '#000000',
  },
}

SCSS

$custom: #3b577e;
$custom-light: #7586a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b577e",
  "rgb": {
    "r": 59,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 214.925,
    "s": 36.216,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45249,
    "c": 0.07263,
    "h": 256.8
  },
  "luminance": 0.09253
}

Semantic roles & 50–950 ramp

primary

#3B577E

secondary

#A88F6D

accent

#9D5CCC

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B0F

muted

#7B7C7F

Preview Lab

Preview with #3B577E

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

Preview Lab → · Contrast checker → · Palette generator →