#1A5571#1A5571

#1A5571 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.075 H 233.3°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX#1A5571
RGBrgb(26, 85, 113)
HSLhsl(199, 63%, 27%)
HSVhsv(199, 77%, 44%)
CMYKcmyk(77%, 24.8%, 0%, 55.7%)
CIE-LABlab(33.79, -8.54, -21.41)
CIE-LCHlch(33.79, 23.06, 248.25°)
OKLaboklab(42.54% -0.0448 -0.0602)
OKLCHoklch(42.54% 0.075 233.3)
XYZxyz(6.6539, 7.9081, 16.7953)
Luminance0.0791 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A5571 #71361A
analogous
#1A7161 #1A5571 #1A2A71
triadic
#1A5571 #711A55 #55711A
tetradic
#1A5571 #611A71 #71361A #2A711A
square
#1A5571 #611A71 #71361A #2A711A
split-complementary
#1A5571 #711A2A #71611A
monochromatic
#061319 #0F303F #1A5571 #257AA3 #359ED0

Accessibility & contrast

On white

8.13
#1A5571 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#1A5571 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5571
8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A5571#FFFFFF#000000##FFFFFF
##1A55711.008.132.588.13
#FFFFFF8.131.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#475472
Deuteranopia (green-blind)
#3B4C71
Tritanopia (blue-blind)
#005C5E
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1a5571;
/* rgb */ color: rgb(26, 85, 113);
/* oklch */ color: oklch(42.5% 0.075 233.3);
Tailwind
colors: {
  custom: {
    50: '#64849a',
    500: '#1a5571',
    950: '#000000',
  },
}
SCSS
$custom: #1a5571;
$custom-light: #64849a;
$custom-dark: #000000;
JSON
{
  "hex": "#1a5571",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 113
  },
  "hsl": {
    "h": 199.31,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.42544,
    "c": 0.0751,
    "h": 233.3
  },
  "luminance": 0.07909
}

Semantic roles & 50–950 ramp

primary
#1A5571
secondary
#A66141
accent
#7742E6
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E

Preview Lab

Preview with #1A5571

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

Preview Lab → · Contrast checker → · Palette generator →

#1A5571 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva