#3D537A#3D537A

#3D537A is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.2% C 0.070 H 261.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX#3D537A
RGBrgb(61, 83, 122)
HSLhsl(218, 33%, 36%)
HSVhsv(218, 50%, 48%)
CMYKcmyk(50%, 32%, 0%, 52.2%)
CIE-LABlab(35.17, 3.30, -24.73)
CIE-LCHlch(35.17, 24.95, 277.59°)
OKLaboklab(44.21% -0.0105 -0.0694)
OKLCHoklch(44.21% 0.07 261.4)
XYZxyz(8.5294, 8.5832, 19.6159)
Luminance0.0858 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D537A #7A643D
analogous
#3D717A #3D537A #453D7A
triadic
#3D537A #7A3D53 #537A3D
tetradic
#3D537A #7A3D71 #7A643D #3D7A45
square
#3D537A #7A3D71 #7A643D #3D7A45
split-complementary
#3D537A #7A453D #717A3D
monochromatic
#141B28 #293751 #3D537A #516FA3 #778FBB

Accessibility & contrast

On white

7.73
#3D537A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.72
#3D537A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D537A
7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D537A#FFFFFF#000000##FFFFFF
##3D537A1.007.732.727.73
#FFFFFF7.731.0021.001.00
#0000002.7221.001.0021.00
##FFFFFF7.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#44567C
Deuteranopia (green-blind)
#3D5079
Tritanopia (blue-blind)
#235B61
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #3d537a;
/* rgb */ color: rgb(61, 83, 122);
/* oklch */ color: oklch(44.2% 0.070 261.4);
Tailwind
colors: {
  custom: {
    50: '#7683a0',
    500: '#3d537a',
    950: '#000000',
  },
}
SCSS
$custom: #3d537a;
$custom-light: #7683a0;
$custom-dark: #000000;
JSON
{
  "hex": "#3d537a",
  "rgb": {
    "r": 61,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 218.361,
    "s": 33.333,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44205,
    "c": 0.07019,
    "h": 261.4
  },
  "luminance": 0.08584
}

Semantic roles & 50–950 ramp

primary
#3D537A
secondary
#A5916E
accent
#A35EC9
background
#F7F7F9
surface
#EDEEF2
border
#C8C9CC
text
#090A0E
muted
#7B7C7E

Preview Lab

Preview with #3D537A

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

Preview Lab → · Contrast checker → · Palette generator →

#3D537A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva