#1D5B7A#1D5B7A

#1D5B7A is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.7% C 0.080 H 234.7°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX#1D5B7A
RGBrgb(29, 91, 122)
HSLhsl(200, 62%, 30%)
HSVhsv(200, 76%, 48%)
CMYKcmyk(76.2%, 25.4%, 0%, 52.2%)
CIE-LABlab(36.27, -8.39, -23.13)
CIE-LCHlch(36.27, 24.60, 250.07°)
OKLaboklab(44.68% -0.0462 -0.0651)
OKLCHoklch(44.68% 0.08 234.7)
XYZxyz(7.7592, 9.1476, 19.7653)
Luminance0.0915 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5B7A #7A3C1D
analogous
#1D7A6B #1D5B7A #1D2D7A
triadic
#1D5B7A #7A1D5B #5B7A1D
tetradic
#1D5B7A #6B1D7A #7A3C1D #2D7A1D
square
#1D5B7A #6B1D7A #7A3C1D #2D7A1D
split-complementary
#1D5B7A #7A1D2D #7A6B1D
monochromatic
#061219 #113649 #1D5B7A #2980AB #40A1D2

Accessibility & contrast

On white

7.42
#1D5B7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.83
#1D5B7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B7A
7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5B7A#FFFFFF#000000##FFFFFF
##1D5B7A1.007.422.837.42
#FFFFFF7.421.0021.001.00
#0000002.8321.001.0021.00
##FFFFFF7.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C5A7B
Deuteranopia (green-blind)
#3F517A
Tritanopia (blue-blind)
#006366
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1d5b7a;
/* rgb */ color: rgb(29, 91, 122);
/* oklch */ color: oklch(44.7% 0.080 234.7);
Tailwind
colors: {
  custom: {
    50: '#6789a0',
    500: '#1d5b7a',
    950: '#000000',
  },
}
SCSS
$custom: #1d5b7a;
$custom-light: #6789a0;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5b7a",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 122
  },
  "hsl": {
    "h": 200,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4468,
    "c": 0.07984,
    "h": 234.7
  },
  "luminance": 0.09149
}

Semantic roles & 50–950 ramp

primary
#1D5B7A
secondary
#AE6845
accent
#7943E5
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070B0E
muted
#7A7C7E

Preview Lab

Preview with #1D5B7A

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5B7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva