#1A3883#1A3883

#1A3883 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.132 H 264.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX#1A3883
RGBrgb(26, 56, 131)
HSLhsl(223, 67%, 31%)
HSVhsv(223, 80%, 51%)
CMYKcmyk(80.2%, 57.3%, 0%, 48.6%)
CIE-LABlab(25.82, 18.11, -45.36)
CIE-LCHlch(25.82, 48.84, 291.76°)
OKLaboklab(36.7% -0.013 -0.1309)
OKLCHoklch(36.7% 0.132 264.3)
XYZxyz(5.9355, 4.6860, 22.0600)
Luminance0.0469 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A3883 #83651A
analogous
#1A6C83 #1A3883 #301A83
triadic
#1A3883 #831A38 #38831A
tetradic
#1A3883 #831A6C #83651A #1A8330
square
#1A3883 #831A6C #83651A #1A8330
split-complementary
#1A3883 #83301A #6C831A
monochromatic
#060C1D #102250 #1A3883 #244EB6 #3F6BD9

Accessibility & contrast

On white

10.84
#1A3883 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#1A3883 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3883
10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A3883#FFFFFF#000000##FFFFFF
##1A38831.0010.841.9410.84
#FFFFFF10.841.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004286
Deuteranopia (green-blind)
#003982
Tritanopia (blue-blind)
#004B57
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #1a3883;
/* rgb */ color: rgb(26, 56, 131);
/* oklch */ color: oklch(36.7% 0.132 264.3);
Tailwind
colors: {
  custom: {
    50: '#686ea8',
    500: '#1a3883',
    950: '#000000',
  },
}
SCSS
$custom: #1a3883;
$custom-light: #686ea8;
$custom-dark: #000000;
JSON
{
  "hex": "#1a3883",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 131
  },
  "hsl": {
    "h": 222.857,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36704,
    "c": 0.1315,
    "h": 264.3
  },
  "luminance": 0.04687
}

Semantic roles & 50–950 ramp

primary
#1A3883
secondary
#B79542
accent
#B93EEA
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #1A3883

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

Preview Lab → · Contrast checker → · Palette generator →

#1A3883 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva