#1A537F#1A537F

#1A537F is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.093 H 246.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX#1A537F
RGBrgb(26, 83, 127)
HSLhsl(206, 66%, 30%)
HSVhsv(206, 80%, 50%)
CMYKcmyk(79.5%, 34.6%, 0%, 50.2%)
CIE-LABlab(33.85, -1.88, -30.00)
CIE-LCHlch(33.85, 30.06, 266.42°)
OKLaboklab(42.83% -0.0379 -0.0852)
OKLCHoklch(42.83% 0.093 246)
XYZxyz(7.3485, 7.9376, 21.2194)
Luminance0.0794 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A537F #7F461A
analogous
#1A7F79 #1A537F #1A207F
triadic
#1A537F #7F1A53 #537F1A
tetradic
#1A537F #791A7F #7F461A #207F1A
square
#1A537F #791A7F #7F461A #207F1A
split-complementary
#1A537F #7F1A20 #7F791A
monochromatic
#051119 #10324C #1A537F #2474B2 #3C94D7

Accessibility & contrast

On white

8.12
#1A537F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#1A537F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A537F
8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A537F#FFFFFF#000000##FFFFFF
##1A537F1.008.122.598.12
#FFFFFF8.121.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F5581
Deuteranopia (green-blind)
#304B7E
Tritanopia (blue-blind)
#005E63
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1a537f;
/* rgb */ color: rgb(26, 83, 127);
/* oklch */ color: oklch(42.8% 0.093 246.0);
Tailwind
colors: {
  custom: {
    50: '#6783a4',
    500: '#1a537f',
    950: '#000000',
  },
}
SCSS
$custom: #1a537f;
$custom-light: #6783a4;
$custom-dark: #000000;
JSON
{
  "hex": "#1a537f",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 127
  },
  "hsl": {
    "h": 206.139,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.42827,
    "c": 0.09326,
    "h": 246
  },
  "luminance": 0.07938
}

Semantic roles & 50–950 ramp

primary
#1A537F
secondary
#B37342
accent
#893FE9
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1A537F

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

Preview Lab → · Contrast checker → · Palette generator →

#1A537F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva