#283E69#283E69

#283E69 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.079 H 262.6°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX#283E69
RGBrgb(40, 62, 105)
HSLhsl(220, 45%, 28%)
HSVhsv(220, 62%, 41%)
CMYKcmyk(61.9%, 41%, 0%, 58.8%)
CIE-LABlab(26.49, 6.00, -27.77)
CIE-LCHlch(26.49, 28.42, 282.19°)
OKLaboklab(36.82% -0.0102 -0.0788)
OKLCHoklch(36.82% 0.079 262.6)
XYZxyz(5.1466, 4.9159, 14.0395)
Luminance0.0492 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283E69 #695328
analogous
#285E69 #283E69 #322869
triadic
#283E69 #69283E #3E6928
tetradic
#283E69 #69285E #695328 #286932
square
#283E69 #69285E #695328 #286932
split-complementary
#283E69 #693228 #5E6928
monochromatic
#080D16 #17243D #283E69 #395895 #4F74BC

Accessibility & contrast

On white

10.59
#283E69 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#283E69 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283E69
10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283E69#FFFFFF#000000##FFFFFF
##283E691.0010.591.9810.59
#FFFFFF10.591.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C426B
Deuteranopia (green-blind)
#233C68
Tritanopia (blue-blind)
#00484E
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #283e69;
/* rgb */ color: rgb(40, 62, 105);
/* oklch */ color: oklch(36.8% 0.079 262.6);
Tailwind
colors: {
  custom: {
    50: '#687294',
    500: '#283e69',
    950: '#000000',
  },
}
SCSS
$custom: #283e69;
$custom-light: #687294;
$custom-dark: #000000;
JSON
{
  "hex": "#283e69",
  "rgb": {
    "r": 40,
    "g": 62,
    "b": 105
  },
  "hsl": {
    "h": 219.692,
    "s": 44.828,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36824,
    "c": 0.07947,
    "h": 262.6
  },
  "luminance": 0.04916
}

Semantic roles & 50–950 ramp

primary
#283E69
secondary
#9C8251
accent
#A953D5
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #283E69

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

Preview Lab → · Contrast checker → · Palette generator →

#283E69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva