#3C577F#3C577F

#3C577F is a mid, moderate blue. Relative luminance 0.093; OKLCH L 45.4% C 0.074 H 258.0°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#3C577F
RGB	rgb(60, 87, 127)
HSL	hsl(216, 36%, 37%)
HSV	hsv(216, 53%, 50%)
CMYK	cmyk(52.8%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(36.57, 2.14, -25.63)
CIE-LCH	lch(36.57, 25.72, 274.78°)
OKLab	oklab(45.37% -0.0152 -0.072)
OKLCH	oklch(45.37% 0.074 258)
XYZ	xyz(9.1011, 9.3087, 21.3917)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C577F #7F643C

analogous

#3C797F #3C577F #433C7F

triadic

#3C577F #7F3C57 #577F3C

tetradic

#3C577F #7F3C79 #7F643C #3C7F43

square

#3C577F #7F3C79 #7F643C #3C7F43

split-complementary

#3C577F #7F433C #797F3C

monochromatic

#151E2C #283B55 #3C577F #5073A9 #7794BF

Accessibility & contrast

On white

7.34

#3C577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3C577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C577F

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C577F	#FFFFFF	#000000	##FFFFFF
##3C577F	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475A81

Deuteranopia (green-blind)

#3F537E

Tritanopia (blue-blind)

#1C6065

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3c577f;
/* rgb */ color: rgb(60, 87, 127);
/* oklch */ color: oklch(45.4% 0.074 258.0);

Tailwind

colors: {
  custom: {
    50: '#7686a4',
    500: '#3c577f',
    950: '#000000',
  },
}

SCSS

$custom: #3c577f;
$custom-light: #7686a4;
$custom-dark: #000000;

JSON

{
  "hex": "#3c577f",
  "rgb": {
    "r": 60,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 215.821,
    "s": 35.829,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45365,
    "c": 0.07358,
    "h": 258
  },
  "luminance": 0.09309
}

Semantic roles & 50–950 ramp

primary

#3C577F

secondary

#A8916E

accent

#9F5CCC

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B0F

muted

#7B7C7F

Preview Lab

Preview with #3C577F

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

Preview Lab → · Contrast checker → · Palette generator →