#3B577B#3B577B

#3B577B is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.1% C 0.068 H 255.1°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#3B577B
RGB	rgb(59, 87, 123)
HSL	hsl(214, 35%, 36%)
HSV	hsv(214, 52%, 48%)
CMYK	cmyk(52%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(36.32, 0.56, -23.56)
CIE-LCH	lch(36.32, 23.57, 271.35°)
OKLab	oklab(45.09% -0.0175 -0.066)
OKLCH	oklch(45.09% 0.068 255.1)
XYZ	xyz(8.7858, 9.1756, 20.0432)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B577B #7B5F3B

analogous

#3B777B #3B577B #3F3B7B

triadic

#3B577B #7B3B57 #577B3B

tetradic

#3B577B #7B3B77 #7B5F3B #3B7B3F

square

#3B577B #7B3B77 #7B5F3B #3B7B3F

split-complementary

#3B577B #7B3F3B #777B3B

monochromatic

#131C28 #273A52 #3B577B #4F74A4 #7494BC

Accessibility & contrast

On white

7.41

#3B577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3B577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B577B

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B577B	#FFFFFF	#000000	##FFFFFF
##3B577B	1.00	7.41	2.84	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49597D

Deuteranopia (green-blind)

#41537A

Tritanopia (blue-blind)

#1D5F64

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b577b;
/* rgb */ color: rgb(59, 87, 123);
/* oklch */ color: oklch(45.1% 0.068 255.1);

Tailwind

colors: {
  custom: {
    50: '#7586a1',
    500: '#3b577b',
    950: '#000000',
  },
}

SCSS

$custom: #3b577b;
$custom-light: #7586a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b577b",
  "rgb": {
    "r": 59,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 213.75,
    "s": 35.165,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45089,
    "c": 0.06832,
    "h": 255.1
  },
  "luminance": 0.09176
}

Semantic roles & 50–950 ramp

primary

#3B577B

secondary

#A68D6C

accent

#9B5DCB

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0F

muted

#7B7C7E

Preview Lab

Preview with #3B577B

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

Preview Lab → · Contrast checker → · Palette generator →