#1D5598#1D5598

#1D5598 is a mid, vivid cyan. Relative luminance 0.090; OKLCH L 45.0% C 0.124 H 255.3°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#1D5598
RGBrgb(29, 85, 152)
HSLhsl(213, 68%, 35%)
HSVhsv(213, 81%, 60%)
CMYKcmyk(80.9%, 44.1%, 0%, 40.4%)
CIE-LABlab(36.03, 7.12, -41.79)
CIE-LCHlch(36.03, 42.39, 279.67°)
OKLaboklab(45.03% -0.0315 -0.1197)
OKLCHoklch(45.03% 0.124 255.3)
XYZxyz(9.4206, 9.0241, 30.9450)
Luminance0.0902 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5598 #98601D
analogous
#1D9298 #1D5598 #221D98
triadic
#1D5598 #981D55 #55981D
tetradic
#1D5598 #981D92 #98601D #1D9822
square
#1D5598 #981D92 #98601D #1D9822
split-complementary
#1D5598 #98221D #92981D
monochromatic
#091C31 #133865 #1D5598 #2772CB #5291DE

Accessibility & contrast

On white

7.49
#1D5598 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.81
#1D5598 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5598
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5598#FFFFFF#000000##FFFFFF
##1D55981.007.492.817.49
#FFFFFF7.491.0021.001.00
#0000002.8121.001.0021.00
##FFFFFF7.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#335B9B
Deuteranopia (green-blind)
#1B5097
Tritanopia (blue-blind)
#00656F
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1d5598;
/* rgb */ color: rgb(29, 85, 152);
/* oklch */ color: oklch(45.0% 0.124 255.3);
Tailwind
colors: {
  custom: {
    50: '#6d84b7',
    500: '#1d5598',
    950: '#000000',
  },
}
SCSS
$custom: #1d5598;
$custom-light: #6d84b7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5598",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 152
  },
  "hsl": {
    "h": 212.683,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45033,
    "c": 0.12378,
    "h": 255.3
  },
  "luminance": 0.09025
}

Semantic roles & 50–950 ramp

primary
#1D5598
secondary
#C18D50
accent
#9C3DEB
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080A11
muted
#7B7C80

Preview Lab

Preview with #1D5598

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5598 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva