#1A537A#1A537A

#1A537A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.5% C 0.087 H 243.0°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#1A537A
RGBrgb(26, 83, 122)
HSLhsl(204, 65%, 29%)
HSVhsv(204, 79%, 48%)
CMYKcmyk(78.7%, 32%, 0%, 52.2%)
CIE-LABlab(33.58, -3.84, -27.33)
CIE-LCHlch(33.58, 27.60, 262.00°)
OKLaboklab(42.53% -0.0395 -0.0774)
OKLCHoklch(42.53% 0.087 243)
XYZxyz(7.0307, 7.8104, 19.5456)
Luminance0.0781 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A537A #7A411A
analogous
#1A7A71 #1A537A #1A237A
triadic
#1A537A #7A1A53 #537A1A
tetradic
#1A537A #711A7A #7A411A #237A1A
square
#1A537A #711A7A #7A411A #237A1A
split-complementary
#1A537A #7A1A23 #7A711A
monochromatic
#051119 #0F3148 #1A537A #2575AC #3996D5

Accessibility & contrast

On white

8.20
#1A537A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#1A537A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A537A
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A537A#FFFFFF#000000##FFFFFF
##1A537A1.008.202.568.20
#FFFFFF8.201.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#41547C
Deuteranopia (green-blind)
#344B79
Tritanopia (blue-blind)
#005D61
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1a537a;
/* rgb */ color: rgb(26, 83, 122);
/* oklch */ color: oklch(42.5% 0.087 243.0);
Tailwind
colors: {
  custom: {
    50: '#6683a0',
    500: '#1a537a',
    950: '#000000',
  },
}
SCSS
$custom: #1a537a;
$custom-light: #6683a0;
$custom-dark: #000000;
JSON
{
  "hex": "#1a537a",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 204.375,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42528,
    "c": 0.08692,
    "h": 243
  },
  "luminance": 0.07811
}

Semantic roles & 50–950 ramp

primary
#1A537A
secondary
#AE6E41
accent
#8440E8
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0F
muted
#7A7C7E

Preview Lab

Preview with #1A537A

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

Preview Lab → · Contrast checker → · Palette generator →

#1A537A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva