#3D557E#3D557E

#3D557E is a dark, moderate blue. Relative luminance 0.090; OKLCH L 44.9% C 0.074 H 260.7°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3D557E
RGB	rgb(61, 85, 126)
HSL	hsl(218, 35%, 37%)
HSV	hsv(218, 52%, 49%)
CMYK	cmyk(51.6%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(35.97, 3.34, -25.94)
CIE-LCH	lch(35.97, 26.16, 277.34°)
OKLab	oklab(44.9% -0.0119 -0.0729)
OKLCH	oklch(44.9% 0.074 260.7)
XYZ	xyz(8.9376, 8.9948, 20.9998)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D557E #7E663D

analogous

#3D767E #3D557E #463D7E

triadic

#3D557E #7E3D55 #557E3D

tetradic

#3D557E #7E3D76 #7E663D #3D7E46

square

#3D557E #7E3D76 #7E663D #3D7E46

split-complementary

#3D557E #7E463D #767E3D

monochromatic

#151D2C #293955 #3D557E #5171A7 #7892BE

Accessibility & contrast

On white

7.50

#3D557E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3D557E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D557E

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D557E	#FFFFFF	#000000	##FFFFFF
##3D557E	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455880

Deuteranopia (green-blind)

#3E527D

Tritanopia (blue-blind)

#205E64

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3d557e;
/* rgb */ color: rgb(61, 85, 126);
/* oklch */ color: oklch(44.9% 0.074 260.7);

Tailwind

colors: {
  custom: {
    50: '#7784a3',
    500: '#3d557e',
    950: '#000000',
  },
}

SCSS

$custom: #3d557e;
$custom-light: #7784a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d557e",
  "rgb": {
    "r": 61,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 217.846,
    "s": 34.759,
    "l": 36.667
  },
  "oklch": {
    "l": 0.44898,
    "c": 0.07386,
    "h": 260.7
  },
  "luminance": 0.08995
}

Semantic roles & 50–950 ramp

primary

#3D557E

secondary

#A8936F

accent

#A25DCB

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #3D557E

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

Preview Lab → · Contrast checker → · Palette generator →