#1A537E#1A537E

#1A537E is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.092 H 245.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX#1A537E
RGBrgb(26, 83, 126)
HSLhsl(206, 66%, 30%)
HSVhsv(206, 79%, 49%)
CMYKcmyk(79.4%, 34.1%, 0%, 50.6%)
CIE-LABlab(33.80, -2.27, -29.47)
CIE-LCHlch(33.80, 29.56, 265.60°)
OKLaboklab(42.77% -0.0382 -0.0837)
OKLCHoklch(42.77% 0.092 245.5)
XYZxyz(7.2837, 7.9116, 20.8778)
Luminance0.0791 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A537E #7E451A
analogous
#1A7E77 #1A537E #1A217E
triadic
#1A537E #7E1A53 #537E1A
tetradic
#1A537E #771A7E #7E451A #217E1A
square
#1A537E #771A7E #7E451A #217E1A
split-complementary
#1A537E #7E1A21 #7E771A
monochromatic
#051119 #10324B #1A537E #2474B1 #3C94D7

Accessibility & contrast

On white

8.13
#1A537E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#1A537E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A537E
8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A537E#FFFFFF#000000##FFFFFF
##1A537E1.008.132.588.13
#FFFFFF8.131.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F5580
Deuteranopia (green-blind)
#314B7D
Tritanopia (blue-blind)
#005D62
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1a537e;
/* rgb */ color: rgb(26, 83, 126);
/* oklch */ color: oklch(42.8% 0.092 245.5);
Tailwind
colors: {
  custom: {
    50: '#6783a3',
    500: '#1a537e',
    950: '#000000',
  },
}
SCSS
$custom: #1a537e;
$custom-light: #6783a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1a537e",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 126
  },
  "hsl": {
    "h": 205.8,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.42767,
    "c": 0.09197,
    "h": 245.5
  },
  "luminance": 0.07912
}

Semantic roles & 50–950 ramp

primary
#1A537E
secondary
#B27242
accent
#883FE9
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1A537E

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

Preview Lab → · Contrast checker → · Palette generator →

#1A537E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva