#3D577F#3D577F

#3D577F is a mid, moderate blue. Relative luminance 0.093; OKLCH L 45.4% C 0.073 H 258.8°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#3D577F
RGB	rgb(61, 87, 127)
HSL	hsl(216, 35%, 37%)
HSV	hsv(216, 52%, 50%)
CMYK	cmyk(52%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(36.63, 2.40, -25.53)
CIE-LCH	lch(36.63, 25.64, 275.37°)
OKLab	oklab(45.43% -0.0142 -0.0717)
OKLCH	oklch(45.43% 0.073 258.8)
XYZ	xyz(9.1621, 9.3401, 21.3946)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D577F #7F653D

analogous

#3D787F #3D577F #443D7F

triadic

#3D577F #7F3D57 #577F3D

tetradic

#3D577F #7F3D78 #7F653D #3D7F44

square

#3D577F #7F3D78 #7F653D #3D7F44

split-complementary

#3D577F #7F443D #787F3D

monochromatic

#151E2C #293B56 #3D577F #5173A8 #7894BE

Accessibility & contrast

On white

7.32

#3D577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3D577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D577F

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D577F	#FFFFFF	#000000	##FFFFFF
##3D577F	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485A81

Deuteranopia (green-blind)

#40537E

Tritanopia (blue-blind)

#1E6065

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3d577f;
/* rgb */ color: rgb(61, 87, 127);
/* oklch */ color: oklch(45.4% 0.073 258.8);

Tailwind

colors: {
  custom: {
    50: '#7786a4',
    500: '#3d577f',
    950: '#000000',
  },
}

SCSS

$custom: #3d577f;
$custom-light: #7786a4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d577f",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 216.364,
    "s": 35.106,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45427,
    "c": 0.07308,
    "h": 258.8
  },
  "luminance": 0.09341
}

Semantic roles & 50–950 ramp

primary

#3D577F

secondary

#A89270

accent

#A05DCB

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B0F

muted

#7B7C7F

Preview Lab

Preview with #3D577F

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

Preview Lab → · Contrast checker → · Palette generator →