#1A5583#1A5583

#1A5583 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.096 H 246.4°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#1A5583
RGBrgb(26, 85, 131)
HSLhsl(206, 67%, 31%)
HSVhsv(206, 80%, 51%)
CMYKcmyk(80.2%, 35.1%, 0%, 48.6%)
CIE-LABlab(34.71, -1.58, -31.11)
CIE-LCHlch(34.71, 31.15, 267.09°)
OKLaboklab(43.58% -0.0386 -0.0884)
OKLCHoklch(43.58% 0.096 246.4)
XYZxyz(7.7697, 8.3544, 22.6714)
Luminance0.0835 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A5583 #83481A
analogous
#1A837C #1A5583 #1A2083
triadic
#1A5583 #831A55 #55831A
tetradic
#1A5583 #7C1A83 #83481A #20831A
square
#1A5583 #7C1A83 #83481A #20831A
split-complementary
#1A5583 #831A20 #837C1A
monochromatic
#06131D #103450 #1A5583 #2476B6 #3F95D9

Accessibility & contrast

On white

7.86
#1A5583 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#1A5583 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5583
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A5583#FFFFFF#000000##FFFFFF
##1A55831.007.862.677.86
#FFFFFF7.861.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405785
Deuteranopia (green-blind)
#314D82
Tritanopia (blue-blind)
#006066
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1a5583;
/* rgb */ color: rgb(26, 85, 131);
/* oklch */ color: oklch(43.6% 0.096 246.4);
Tailwind
colors: {
  custom: {
    50: '#6884a7',
    500: '#1a5583',
    950: '#000000',
  },
}
SCSS
$custom: #1a5583;
$custom-light: #6884a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1a5583",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 131
  },
  "hsl": {
    "h": 206.286,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43575,
    "c": 0.09649,
    "h": 246.4
  },
  "luminance": 0.08355
}

Semantic roles & 50–950 ramp

primary
#1A5583
secondary
#B77542
accent
#893EEA
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1A5583

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

Preview Lab → · Contrast checker → · Palette generator →

#1A5583 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva