#1D5479#1D5479

#1D5479 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.084 H 242.1°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#1D5479
RGBrgb(29, 84, 121)
HSLhsl(204, 61%, 29%)
HSVhsv(204, 76%, 47%)
CMYKcmyk(76%, 30.6%, 0%, 52.5%)
CIE-LABlab(33.94, -4.44, -26.14)
CIE-LCHlch(33.94, 26.51, 260.37°)
OKLaboklab(42.82% -0.0391 -0.0739)
OKLCHoklch(42.82% 0.084 242.1)
XYZxyz(7.1269, 7.9815, 19.2504)
Luminance0.0798 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5479 #79421D
analogous
#1D7970 #1D5479 #1D2679
triadic
#1D5479 #791D54 #54791D
tetradic
#1D5479 #701D79 #79421D #26791D
square
#1D5479 #701D79 #79421D #26791D
split-complementary
#1D5479 #791D26 #79701D
monochromatic
#061119 #113248 #1D5479 #2976AA #3F96D1

Accessibility & contrast

On white

8.09
#1D5479 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#1D5479 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5479
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5479#FFFFFF#000000##FFFFFF
##1D54791.008.092.608.09
#FFFFFF8.091.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43557B
Deuteranopia (green-blind)
#364C78
Tritanopia (blue-blind)
#005D61
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1d5479;
/* rgb */ color: rgb(29, 84, 121);
/* oklch */ color: oklch(42.8% 0.084 242.1);
Tailwind
colors: {
  custom: {
    50: '#6784a0',
    500: '#1d5479',
    950: '#000000',
  },
}
SCSS
$custom: #1d5479;
$custom-light: #6784a0;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5479",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 121
  },
  "hsl": {
    "h": 204.13,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.42821,
    "c": 0.08365,
    "h": 242.1
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary
#1D5479
secondary
#AD6F45
accent
#8443E4
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070A0E
muted
#7A7C7E

Preview Lab

Preview with #1D5479

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5479 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva