#3A577B#3A577B

#3A577B is a mid, moderate cyan. Relative luminance 0.091; OKLCH L 45.0% C 0.069 H 254.4°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3A577B
RGB	rgb(58, 87, 123)
HSL	hsl(213, 36%, 35%)
HSV	hsv(213, 53%, 48%)
CMYK	cmyk(52.8%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(36.26, 0.30, -23.66)
CIE-LCH	lch(36.26, 23.66, 270.72°)
OKLab	oklab(45.03% -0.0185 -0.0663)
OKLCH	oklch(45.03% 0.069 254.4)
XYZ	xyz(8.7270, 9.1453, 20.0404)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A577B #7B5E3A

analogous

#3A777B #3A577B #3D3A7B

triadic

#3A577B #7B3A57 #577B3A

tetradic

#3A577B #7B3A77 #7B5E3A #3A7B3D

square

#3A577B #7B3A77 #7B5E3A #3A7B3D

split-complementary

#3A577B #7B3D3A #777B3A

monochromatic

#131C28 #263A51 #3A577B #4E74A5 #7394BD

Accessibility & contrast

On white

7.42

#3A577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3A577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A577B

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A577B	#FFFFFF	#000000	##FFFFFF
##3A577B	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)

#49597D

Deuteranopia (green-blind)

#41527A

Tritanopia (blue-blind)

#1A5F64

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3a577b;
/* rgb */ color: rgb(58, 87, 123);
/* oklch */ color: oklch(45.0% 0.069 254.4);

Tailwind

colors: {
  custom: {
    50: '#7486a1',
    500: '#3a577b',
    950: '#000000',
  },
}

SCSS

$custom: #3a577b;
$custom-light: #7486a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a577b",
  "rgb": {
    "r": 58,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 213.231,
    "s": 35.912,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45028,
    "c": 0.06886,
    "h": 254.4
  },
  "luminance": 0.09146
}

Semantic roles & 50–950 ramp

primary

#3A577B

secondary

#A68C6B

accent

#9A5CCC

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080B0F

muted

#7B7C7E

Preview Lab

Preview with #3A577B

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

Preview Lab → · Contrast checker → · Palette generator →