#2637C3#2637C3

#2637C3 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.2% C 0.214 H 268.8°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX#2637C3
RGBrgb(38, 55, 195)
HSLhsl(234, 67%, 46%)
HSVhsv(234, 81%, 76%)
CMYKcmyk(80.5%, 71.8%, 0%, 23.5%)
CIE-LABlab(32.00, 44.04, -73.93)
CIE-LCHlch(32.00, 86.06, 300.78°)
OKLaboklab(43.19% -0.0045 -0.2142)
OKLCHoklch(43.19% 0.214 268.8)
XYZxyz(12.0125, 7.0832, 52.3533)
Luminance0.0708 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2637C3 #C3B226
analogous
#2685C3 #2637C3 #6326C3
triadic
#2637C3 #C32637 #37C326
tetradic
#2637C3 #C32685 #C3B226 #26C363
square
#2637C3 #C32685 #C3B226 #26C363
split-complementary
#2637C3 #C36326 #85C326
monochromatic
#121A5D #1C2990 #2637C3 #4A5ADC #7E89E6

Accessibility & contrast

On white

8.69
#2637C3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#2637C3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2637C3
8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2637C3#FFFFFF#000000##FFFFFF
##2637C31.008.692.428.69
#FFFFFF8.691.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C7
Deuteranopia (green-blind)
#0044C0
Tritanopia (blue-blind)
#005F79
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #2637c3;
/* rgb */ color: rgb(38, 55, 195);
/* oklch */ color: oklch(43.2% 0.214 268.8);
Tailwind
colors: {
  custom: {
    50: '#7d6fd6',
    500: '#2637c3',
    950: '#000000',
  },
}
SCSS
$custom: #2637c3;
$custom-light: #7d6fd6;
$custom-dark: #000000;
JSON
{
  "hex": "#2637c3",
  "rgb": {
    "r": 38,
    "g": 55,
    "b": 195
  },
  "hsl": {
    "h": 233.503,
    "s": 67.382,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43186,
    "c": 0.21426,
    "h": 268.8
  },
  "luminance": 0.07085
}

Semantic roles & 50–950 ramp

primary
#2637C3
secondary
#CEC577
accent
#D83EEA
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0715
muted
#7D7A83

Preview Lab

Preview with #2637C3

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

Preview Lab → · Contrast checker → · Palette generator →

#2637C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva