#3D577E#3D577E

#3D577E is a mid, moderate blue. Relative luminance 0.093; OKLCH L 45.4% C 0.072 H 258.3°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#3D577E
RGB	rgb(61, 87, 126)
HSL	hsl(216, 35%, 37%)
HSV	hsv(216, 52%, 49%)
CMYK	cmyk(51.6%, 31%, 0%, 50.6%)
CIE-LAB	lab(36.58, 2.07, -24.99)
CIE-LCH	lch(36.58, 25.08, 274.73°)
OKLab	oklab(45.37% -0.0145 -0.0701)
OKLCH	oklch(45.37% 0.072 258.3)
XYZ	xyz(9.0973, 9.3142, 21.0531)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D577E #7E643D

analogous

#3D787E #3D577E #443D7E

triadic

#3D577E #7E3D57 #577E3D

tetradic

#3D577E #7E3D78 #7E643D #3D7E44

square

#3D577E #7E3D78 #7E643D #3D7E44

split-complementary

#3D577E #7E443D #787E3D

monochromatic

#151E2C #293B55 #3D577E #5173A7 #7894BE

Accessibility & contrast

On white

7.33

#3D577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3D577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D577E

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D577E	#FFFFFF	#000000	##FFFFFF
##3D577E	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485980

Deuteranopia (green-blind)

#40537D

Tritanopia (blue-blind)

#1F6065

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3d577e;
/* rgb */ color: rgb(61, 87, 126);
/* oklch */ color: oklch(45.4% 0.072 258.3);

Tailwind

colors: {
  custom: {
    50: '#7786a3',
    500: '#3d577e',
    950: '#000000',
  },
}

SCSS

$custom: #3d577e;
$custom-light: #7786a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d577e",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 216,
    "s": 34.759,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45373,
    "c": 0.07161,
    "h": 258.3
  },
  "luminance": 0.09315
}

Semantic roles & 50–950 ramp

primary

#3D577E

secondary

#A8916F

accent

#9F5DCB

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B0F

muted

#7B7C7F

Preview Lab

Preview with #3D577E

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

Preview Lab → · Contrast checker → · Palette generator →