#1B246C#1B246C

#1B246C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.5% C 0.124 H 271.3°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX#1B246C
RGBrgb(27, 36, 108)
HSLhsl(233, 60%, 26%)
HSVhsv(233, 75%, 42%)
CMYKcmyk(75%, 66.7%, 0%, 57.6%)
CIE-LABlab(18.26, 23.11, -43.02)
CIE-LCHlch(18.26, 48.83, 298.25°)
OKLaboklab(30.46% 0.0028 -0.1242)
OKLCHoklch(30.46% 0.124 271.3)
XYZxyz(3.7887, 2.5771, 14.4822)
Luminance0.0258 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B246C #6C631B
analogous
#1B4D6C #1B246C #3B1B6C
triadic
#1B246C #6C1B24 #246C1B
tetradic
#1B246C #6C1B4D #6C631B #1B6C3B
square
#1B246C #6C1B4D #6C631B #1B6C3B
split-complementary
#1B246C #6C3B1B #4D6C1B
monochromatic
#060818 #0F143B #1B246C #27349D #3546CC

Accessibility & contrast

On white

13.86
#1B246C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.52
#1B246C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B246C
13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B246C#FFFFFF#000000##FFFFFF
##1B246C1.0013.861.5213.86
#FFFFFF13.861.0021.001.00
#0000001.5221.001.0021.00
##FFFFFF13.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00306E
Deuteranopia (green-blind)
#00296B
Tritanopia (blue-blind)
#003744
Achromatopsia (no color)
#2D2D2D

Design tokens & code

CSS
--color: #1b246c;
/* rgb */ color: rgb(27, 36, 108);
/* oklch */ color: oklch(30.5% 0.124 271.3);
Tailwind
colors: {
  custom: {
    50: '#645e97',
    500: '#1b246c',
    950: '#000000',
  },
}
SCSS
$custom: #1b246c;
$custom-light: #645e97;
$custom-dark: #000000;
JSON
{
  "hex": "#1b246c",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 108
  },
  "hsl": {
    "h": 233.333,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30459,
    "c": 0.12427,
    "h": 271.3
  },
  "luminance": 0.02577
}

Semantic roles & 50–950 ramp

primary
#1B246C
secondary
#A19642
accent
#D245E3
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#06040D
muted
#7A797E

Preview Lab

Preview with #1B246C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B246C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva