#3D577C#3D577C

#3D577C is a mid, moderate blue. Relative luminance 0.093; OKLCH L 45.3% C 0.069 H 257.2°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#3D577C
RGB	rgb(61, 87, 124)
HSL	hsl(215, 34%, 36%)
HSV	hsv(215, 51%, 49%)
CMYK	cmyk(50.8%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(36.49, 1.41, -23.91)
CIE-LCH	lch(36.49, 23.95, 273.37°)
OKLab	oklab(45.27% -0.0152 -0.067)
OKLCH	oklch(45.27% 0.069 257.2)
XYZ	xyz(8.9695, 9.2631, 20.3802)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D577C #7C623D

analogous

#3D777C #3D577C #433D7C

triadic

#3D577C #7C3D57 #577C3D

tetradic

#3D577C #7C3D77 #7C623D #3D7C43

square

#3D577C #7C3D77 #7C623D #3D7C43

split-complementary

#3D577C #7C433D #777C3D

monochromatic

#151D2A #293A53 #3D577C #5174A5 #7794BC

Accessibility & contrast

On white

7.36

#3D577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3D577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D577C

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D577C	#FFFFFF	#000000	##FFFFFF
##3D577C	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49597E

Deuteranopia (green-blind)

#41537B

Tritanopia (blue-blind)

#215F64

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3d577c;
/* rgb */ color: rgb(61, 87, 124);
/* oklch */ color: oklch(45.3% 0.069 257.2);

Tailwind

colors: {
  custom: {
    50: '#7686a2',
    500: '#3d577c',
    950: '#000000',
  },
}

SCSS

$custom: #3d577c;
$custom-light: #7686a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d577c",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 215.238,
    "s": 34.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45266,
    "c": 0.0687,
    "h": 257.2
  },
  "luminance": 0.09264
}

Semantic roles & 50–950 ramp

primary

#3D577C

secondary

#A68F6F

accent

#9D5ECA

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0F

muted

#7B7C7E

Preview Lab

Preview with #3D577C

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

Preview Lab → · Contrast checker → · Palette generator →