#667FDB#667FDB

#667FDB is a mid, vivid blue. Relative luminance 0.231; OKLCH L 62.0% C 0.142 H 270.4°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#667FDB
RGBrgb(102, 127, 219)
HSLhsl(227, 62%, 63%)
HSVhsv(227, 53%, 86%)
CMYKcmyk(53.4%, 42%, 0%, 14.1%)
CIE-LABlab(55.19, 17.09, -49.95)
CIE-LCHlch(55.19, 52.80, 288.89°)
OKLaboklab(61.99% 0.001 -0.1418)
OKLCHoklch(61.99% 0.142 270.4)
XYZxyz(25.8509, 23.1162, 70.1037)
Luminance0.2312 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#667FDB #DBC266
analogous
#66BADB #667FDB #8766DB
triadic
#667FDB #DB667F #7FDB66
tetradic
#667FDB #DB66BA #DBC266 #66DB87
square
#667FDB #DB66BA #DBC266 #66DB87
split-complementary
#667FDB #DB8766 #BADB66
monochromatic
#2640A1 #3456CF #667FDB #98A8E7 #C9D2F2

Accessibility & contrast

On white

3.73
#667FDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.62
#667FDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667FDB
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##667FDB#FFFFFF#000000##000000
##667FDB1.003.735.625.62
#FFFFFF3.731.0021.0021.00
#0000005.6221.001.001.00
##0000005.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#588ADF
Deuteranopia (green-blind)
#4B7FD9
Tritanopia (blue-blind)
#2B93A2
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #667fdb;
/* rgb */ color: rgb(102, 127, 219);
/* oklch */ color: oklch(62.0% 0.142 270.4);
Tailwind
colors: {
  custom: {
    50: '#99a3e6',
    500: '#667fdb',
    950: '#000000',
  },
}
SCSS
$custom: #667fdb;
$custom-light: #99a3e6;
$custom-dark: #000000;
JSON
{
  "hex": "#667fdb",
  "rgb": {
    "r": 102,
    "g": 127,
    "b": 219
  },
  "hsl": {
    "h": 227.179,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61991,
    "c": 0.14183,
    "h": 270.4
  },
  "luminance": 0.23118
}

Semantic roles & 50–950 ramp

primary
#667FDB
secondary
#E3DAB9
accent
#A51CCA
background
#F9FAFE
surface
#F2F3FC
border
#CCCDD5
text
#0E0F16
muted
#7E7F84

Preview Lab

Preview with #667FDB

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

Preview Lab → · Contrast checker → · Palette generator →

#667FDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva