#3B577D#3B577D

#3B577D is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.2% C 0.071 H 256.3°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#3B577D
RGB	rgb(59, 87, 125)
HSL	hsl(215, 36%, 36%)
HSV	hsv(215, 53%, 49%)
CMYK	cmyk(52.8%, 30.4%, 0%, 51%)
CIE-LAB	lab(36.42, 1.22, -24.64)
CIE-LCH	lch(36.42, 24.68, 272.84°)
OKLab	oklab(45.2% -0.0169 -0.0692)
OKLCH	oklch(45.2% 0.071 256.3)
XYZ	xyz(8.9122, 9.2262, 20.7093)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B577D #7D613B

analogous

#3B787D #3B577D #403B7D

triadic

#3B577D #7D3B57 #577D3B

tetradic

#3B577D #7D3B78 #7D613B #3B7D40

square

#3B577D #7D3B78 #7D613B #3B7D40

split-complementary

#3B577D #7D403B #787D3B

monochromatic

#141D2A #273A53 #3B577D #4F74A7 #7594BE

Accessibility & contrast

On white

7.38

#3B577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3B577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B577D

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B577D	#FFFFFF	#000000	##FFFFFF
##3B577D	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48597F

Deuteranopia (green-blind)

#40537C

Tritanopia (blue-blind)

#1B5F64

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b577d;
/* rgb */ color: rgb(59, 87, 125);
/* oklch */ color: oklch(45.2% 0.071 256.3);

Tailwind

colors: {
  custom: {
    50: '#7586a3',
    500: '#3b577d',
    950: '#000000',
  },
}

SCSS

$custom: #3b577d;
$custom-light: #7586a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b577d",
  "rgb": {
    "r": 59,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 214.545,
    "s": 35.87,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45195,
    "c": 0.07119,
    "h": 256.3
  },
  "luminance": 0.09227
}

Semantic roles & 50–950 ramp

primary

#3B577D

secondary

#A78E6C

accent

#9C5CCC

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#090B0F

muted

#7B7C7F

Preview Lab

Preview with #3B577D

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

Preview Lab → · Contrast checker → · Palette generator →