#3B577C#3B577C

#3B577C is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.1% C 0.070 H 255.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B577C
RGB	rgb(59, 87, 124)
HSL	hsl(214, 36%, 36%)
HSV	hsv(214, 52%, 49%)
CMYK	cmyk(52.4%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(36.37, 0.89, -24.10)
CIE-LCH	lch(36.37, 24.12, 272.11°)
OKLab	oklab(45.14% -0.0172 -0.0676)
OKLCH	oklch(45.14% 0.07 255.7)
XYZ	xyz(8.8487, 9.2008, 20.3745)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B577C #7C603B

analogous

#3B777C #3B577C #3F3B7C

triadic

#3B577C #7C3B57 #577C3B

tetradic

#3B577C #7C3B77 #7C603B #3B7C3F

square

#3B577C #7C3B77 #7C603B #3B7C3F

split-complementary

#3B577C #7C3F3B #777C3B

monochromatic

#141D29 #273A53 #3B577C #4F74A5 #7494BD

Accessibility & contrast

On white

7.39

#3B577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3B577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B577C

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B577C	#FFFFFF	#000000	##FFFFFF
##3B577C	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48597E

Deuteranopia (green-blind)

#41537B

Tritanopia (blue-blind)

#1C5F64

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b577c;
/* rgb */ color: rgb(59, 87, 124);
/* oklch */ color: oklch(45.1% 0.070 255.7);

Tailwind

colors: {
  custom: {
    50: '#7586a2',
    500: '#3b577c',
    950: '#000000',
  },
}

SCSS

$custom: #3b577c;
$custom-light: #7586a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b577c",
  "rgb": {
    "r": 59,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 214.154,
    "s": 35.519,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45142,
    "c": 0.06974,
    "h": 255.7
  },
  "luminance": 0.09201
}

Semantic roles & 50–950 ramp

primary

#3B577C

secondary

#A78D6C

accent

#9C5CCC

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0F

muted

#7B7C7E

Preview Lab

Preview with #3B577C

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

Preview Lab → · Contrast checker → · Palette generator →