#4636AB#4636AB

#4636AB is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.178 H 282.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX#4636AB
RGBrgb(70, 54, 171)
HSLhsl(248, 52%, 44%)
HSVhsv(248, 68%, 67%)
CMYKcmyk(59.1%, 68.4%, 0%, 32.9%)
CIE-LABlab(31.53, 40.20, -60.40)
CIE-LCHlch(31.53, 72.55, 303.65°)
OKLaboklab(42.69% 0.037 -0.1739)
OKLCHoklch(42.69% 0.178 282)
XYZxyz(11.1934, 6.8800, 39.2583)
Luminance0.0688 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4636AB #9BAB36
analogous
#3661AB #4636AB #8136AB
triadic
#4636AB #AB4636 #36AB46
tetradic
#4636AB #AB3661 #9BAB36 #36AB81
square
#4636AB #AB3661 #9BAB36 #36AB81
split-complementary
#4636AB #AB8136 #61AB36
monochromatic
#20194E #33277C #4636AB #6555C9 #8F83D8

Accessibility & contrast

On white

8.84
#4636AB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.38
#4636AB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4636AB
8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4636AB#FFFFFF#000000##FFFFFF
##4636AB1.008.842.388.84
#FFFFFF8.841.0021.001.00
#0000002.3821.001.0021.00
##FFFFFF8.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004EAF
Deuteranopia (green-blind)
#0046A9
Tritanopia (blue-blind)
#04546C
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #4636ab;
/* rgb */ color: rgb(70, 54, 171);
/* oklch */ color: oklch(42.7% 0.178 282.0);
Tailwind
colors: {
  custom: {
    50: '#846ec5',
    500: '#4636ab',
    950: '#000000',
  },
}
SCSS
$custom: #4636ab;
$custom-light: #846ec5;
$custom-dark: #000000;
JSON
{
  "hex": "#4636ab",
  "rgb": {
    "r": 70,
    "g": 54,
    "b": 171
  },
  "hsl": {
    "h": 248.205,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42694,
    "c": 0.17779,
    "h": 282
  },
  "luminance": 0.06881
}

Semantic roles & 50–950 ramp

primary
#4636AB
secondary
#B8C27B
accent
#DB4CC8
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0C0713
muted
#7D7A82

Preview Lab

Preview with #4636AB

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

Preview Lab → · Contrast checker → · Palette generator →

#4636AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva