#1D597C#1D597C

#1D597C is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.3% C 0.083 H 238.7°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#1D597C
RGBrgb(29, 89, 124)
HSLhsl(202, 62%, 30%)
HSVhsv(202, 77%, 49%)
CMYKcmyk(76.6%, 28.2%, 0%, 51.4%)
CIE-LABlab(35.71, -6.41, -25.22)
CIE-LCHlch(35.71, 26.02, 255.74°)
OKLaboklab(44.27% -0.0433 -0.0712)
OKLCHoklch(44.27% 0.083 238.7)
XYZxyz(7.7157, 8.8603, 20.3684)
Luminance0.0886 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D597C #7C401D
analogous
#1D7C6F #1D597C #1D2A7C
triadic
#1D597C #7C1D59 #597C1D
tetradic
#1D597C #6F1D7C #7C401D #2A7C1D
square
#1D597C #6F1D7C #7C401D #2A7C1D
split-complementary
#1D597C #7C1D2A #7C6F1D
monochromatic
#061219 #11354A #1D597C #297DAE #419DD3

Accessibility & contrast

On white

7.58
#1D597C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#1D597C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D597C
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D597C#FFFFFF#000000##FFFFFF
##1D597C1.007.582.777.58
#FFFFFF7.581.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#49597E
Deuteranopia (green-blind)
#3C507B
Tritanopia (blue-blind)
#006265
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #1d597c;
/* rgb */ color: rgb(29, 89, 124);
/* oklch */ color: oklch(44.3% 0.083 238.7);
Tailwind
colors: {
  custom: {
    50: '#6787a2',
    500: '#1d597c',
    950: '#000000',
  },
}
SCSS
$custom: #1d597c;
$custom-light: #6787a2;
$custom-dark: #000000;
JSON
{
  "hex": "#1d597c",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 124
  },
  "hsl": {
    "h": 202.105,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.44272,
    "c": 0.08335,
    "h": 238.7
  },
  "luminance": 0.08861
}

Semantic roles & 50–950 ramp

primary
#1D597C
secondary
#B06C45
accent
#7F43E5
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0F
muted
#7A7C7E

Preview Lab

Preview with #1D597C

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

Preview Lab → · Contrast checker → · Palette generator →

#1D597C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva