#1B2869#1B2869

#1B2869 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.0% C 0.114 H 269.8°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX#1B2869
RGBrgb(27, 40, 105)
HSLhsl(230, 59%, 26%)
HSVhsv(230, 74%, 41%)
CMYKcmyk(74.3%, 61.9%, 0%, 58.8%)
CIE-LABlab(19.10, 19.08, -39.70)
CIE-LCHlch(19.10, 44.05, 295.66°)
OKLaboklab(30.99% -0.0004 -0.1145)
OKLCHoklch(30.99% 0.114 269.8)
XYZxyz(3.7597, 2.7701, 13.6984)
Luminance0.0277 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B2869 #695C1B
analogous
#1B4F69 #1B2869 #351B69
triadic
#1B2869 #691B28 #28691B
tetradic
#1B2869 #691B4F #695C1B #1B6935
square
#1B2869 #691B4F #695C1B #1B6935
split-complementary
#1B2869 #69351B #4F691B
monochromatic
#060918 #0E1538 #1B2869 #283B9A #344DCA

Accessibility & contrast

On white

13.51
#1B2869 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.55
#1B2869 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2869
13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B2869#FFFFFF#000000##FFFFFF
##1B28691.0013.511.5513.51
#FFFFFF13.511.0021.001.00
#0000001.5521.001.0021.00
##FFFFFF13.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00326B
Deuteranopia (green-blind)
#002B68
Tritanopia (blue-blind)
#003844
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #1b2869;
/* rgb */ color: rgb(27, 40, 105);
/* oklch */ color: oklch(31.0% 0.114 269.8);
Tailwind
colors: {
  custom: {
    50: '#636194',
    500: '#1b2869',
    950: '#000000',
  },
}
SCSS
$custom: #1b2869;
$custom-light: #636194;
$custom-dark: #000000;
JSON
{
  "hex": "#1b2869",
  "rgb": {
    "r": 27,
    "g": 40,
    "b": 105
  },
  "hsl": {
    "h": 230,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.30992,
    "c": 0.11446,
    "h": 269.8
  },
  "luminance": 0.02771
}

Semantic roles & 50–950 ramp

primary
#1B2869
secondary
#9E8F42
accent
#C846E2
background
#F6F5F9
surface
#EBE9F1
border
#C6C5CB
text
#06050D
muted
#7A797E

Preview Lab

Preview with #1B2869

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

Preview Lab → · Contrast checker → · Palette generator →

#1B2869 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva