#1A4E83#1A4E83

#1A4E83 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.104 H 252.1°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX#1A4E83
RGBrgb(26, 78, 131)
HSLhsl(210, 67%, 31%)
HSVhsv(210, 80%, 51%)
CMYKcmyk(80.2%, 40.5%, 0%, 48.6%)
CIE-LABlab(32.49, 2.98, -34.63)
CIE-LCHlch(32.49, 34.75, 274.92°)
OKLaboklab(41.84% -0.0319 -0.0988)
OKLCHoklch(41.84% 0.104 252.1)
XYZxyz(7.2456, 7.3062, 22.4967)
Luminance0.0731 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A4E83 #834F1A
analogous
#1A8283 #1A4E83 #1B1A83
triadic
#1A4E83 #831A4E #4E831A
tetradic
#1A4E83 #831A82 #834F1A #1A831B
square
#1A4E83 #831A82 #834F1A #1A831B
split-complementary
#1A4E83 #831B1A #82831A
monochromatic
#06111D #103050 #1A4E83 #246CB6 #3F8BD9

Accessibility & contrast

On white

8.53
#1A4E83 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#1A4E83 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4E83
8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A4E83#FFFFFF#000000##FFFFFF
##1A4E831.008.532.468.53
#FFFFFF8.531.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#355285
Deuteranopia (green-blind)
#244882
Tritanopia (blue-blind)
#005B62
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1a4e83;
/* rgb */ color: rgb(26, 78, 131);
/* oklch */ color: oklch(41.8% 0.104 252.1);
Tailwind
colors: {
  custom: {
    50: '#687fa7',
    500: '#1a4e83',
    950: '#000000',
  },
}
SCSS
$custom: #1a4e83;
$custom-light: #687fa7;
$custom-dark: #000000;
JSON
{
  "hex": "#1a4e83",
  "rgb": {
    "r": 26,
    "g": 78,
    "b": 131
  },
  "hsl": {
    "h": 210.286,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.41836,
    "c": 0.10387,
    "h": 252.1
  },
  "luminance": 0.07307
}

Semantic roles & 50–950 ramp

primary
#1A4E83
secondary
#B77D42
accent
#953EEA
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1A4E83

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

Preview Lab → · Contrast checker → · Palette generator →

#1A4E83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva