#284EAC#284EAC

#284EAC is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.157 H 264.4°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX#284EAC
RGBrgb(40, 78, 172)
HSLhsl(223, 62%, 42%)
HSVhsv(223, 77%, 67%)
CMYKcmyk(76.7%, 54.7%, 0%, 32.5%)
CIE-LABlab(35.75, 20.93, -54.20)
CIE-LCHlch(35.75, 58.11, 291.12°)
OKLaboklab(45.36% -0.0154 -0.1562)
OKLCHoklch(45.36% 0.157 264.4)
XYZxyz(11.0432, 8.8772, 40.1532)
Luminance0.0888 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284EAC #AC8628
analogous
#2890AC #284EAC #4428AC
triadic
#284EAC #AC284E #4EAC28
tetradic
#284EAC #AC2890 #AC8628 #28AC44
square
#284EAC #AC2890 #AC8628 #28AC44
split-complementary
#284EAC #AC4428 #90AC28
monochromatic
#112149 #1C377A #284EAC #3F69D2 #7190DE

Accessibility & contrast

On white

7.57
#284EAC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.78
#284EAC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284EAC
7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284EAC#FFFFFF#000000##FFFFFF
##284EAC1.007.572.787.57
#FFFFFF7.571.0021.001.00
#0000002.7821.001.0021.00
##FFFFFF7.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AAF
Deuteranopia (green-blind)
#004EAA
Tritanopia (blue-blind)
#006575
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #284eac;
/* rgb */ color: rgb(40, 78, 172);
/* oklch */ color: oklch(45.4% 0.157 264.4);
Tailwind
colors: {
  custom: {
    50: '#767fc5',
    500: '#284eac',
    950: '#000000',
  },
}
SCSS
$custom: #284eac;
$custom-light: #767fc5;
$custom-dark: #000000;
JSON
{
  "hex": "#284eac",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 172
  },
  "hsl": {
    "h": 222.727,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45358,
    "c": 0.15698,
    "h": 264.4
  },
  "luminance": 0.08878
}

Semantic roles & 50–950 ramp

primary
#284EAC
secondary
#C5AB6B
accent
#B642E5
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0A13
muted
#7C7C82

Preview Lab

Preview with #284EAC

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

Preview Lab → · Contrast checker → · Palette generator →

#284EAC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva