#1A5183#1A5183

#1A5183 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.6% C 0.101 H 249.8°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX#1A5183
RGBrgb(26, 81, 131)
HSLhsl(209, 67%, 31%)
HSVhsv(209, 80%, 51%)
CMYKcmyk(80.2%, 38.2%, 0%, 48.6%)
CIE-LABlab(33.44, 1.01, -33.12)
CIE-LCHlch(33.44, 33.14, 271.74°)
OKLaboklab(42.58% -0.0347 -0.0944)
OKLCHoklch(42.58% 0.101 249.8)
XYZxyz(7.4636, 7.7423, 22.5694)
Luminance0.0774 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A5183 #834C1A
analogous
#1A8380 #1A5183 #1A1D83
triadic
#1A5183 #831A51 #51831A
tetradic
#1A5183 #801A83 #834C1A #1D831A
square
#1A5183 #801A83 #834C1A #1D831A
split-complementary
#1A5183 #831A1D #83801A
monochromatic
#06121D #103150 #1A5183 #2471B6 #3F8FD9

Accessibility & contrast

On white

8.24
#1A5183 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#1A5183 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5183
8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A5183#FFFFFF#000000##FFFFFF
##1A51831.008.242.558.24
#FFFFFF8.241.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A5485
Deuteranopia (green-blind)
#2A4A82
Tritanopia (blue-blind)
#005D63
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1a5183;
/* rgb */ color: rgb(26, 81, 131);
/* oklch */ color: oklch(42.6% 0.101 249.8);
Tailwind
colors: {
  custom: {
    50: '#6881a7',
    500: '#1a5183',
    950: '#000000',
  },
}
SCSS
$custom: #1a5183;
$custom-light: #6881a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1a5183",
  "rgb": {
    "r": 26,
    "g": 81,
    "b": 131
  },
  "hsl": {
    "h": 208.571,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42577,
    "c": 0.10058,
    "h": 249.8
  },
  "luminance": 0.07743
}

Semantic roles & 50–950 ramp

primary
#1A5183
secondary
#B77A42
accent
#903EEA
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1A5183

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

Preview Lab → · Contrast checker → · Palette generator →

#1A5183 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva