#1D5D71#1D5D71

#1D5D71 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.8% C 0.071 H 222.8°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX#1D5D71
RGBrgb(29, 93, 113)
HSLhsl(194, 59%, 28%)
HSVhsv(194, 74%, 44%)
CMYKcmyk(74.3%, 17.7%, 0%, 55.7%)
CIE-LABlab(36.52, -12.87, -17.19)
CIE-LCHlch(36.52, 21.47, 233.16°)
OKLaboklab(44.75% -0.052 -0.048)
OKLCHoklch(44.75% 0.071 222.8)
XYZxyz(7.4005, 9.2813, 17.0210)
Luminance0.0928 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5D71 #71311D
analogous
#1D715B #1D5D71 #1D3371
triadic
#1D5D71 #711D5D #5D711D
tetradic
#1D5D71 #5B1D71 #71311D #33711D
square
#1D5D71 #5B1D71 #71311D #33711D
split-complementary
#1D5D71 #711D33 #715B1D
monochromatic
#061418 #113540 #1D5D71 #2985A2 #3CAACD

Accessibility & contrast

On white

7.35
#1D5D71 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.86
#1D5D71 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5D71
7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5D71#FFFFFF#000000##FFFFFF
##1D5D711.007.352.867.35
#FFFFFF7.351.0021.001.00
#0000002.8621.001.0021.00
##FFFFFF7.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#515B72
Deuteranopia (green-blind)
#465271
Tritanopia (blue-blind)
#006363
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #1d5d71;
/* rgb */ color: rgb(29, 93, 113);
/* oklch */ color: oklch(44.8% 0.071 222.8);
Tailwind
colors: {
  custom: {
    50: '#668b99',
    500: '#1d5d71',
    950: '#000000',
  },
}
SCSS
$custom: #1d5d71;
$custom-light: #668b99;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5d71",
  "rgb": {
    "r": 29,
    "g": 93,
    "b": 113
  },
  "hsl": {
    "h": 194.286,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.4475,
    "c": 0.07077,
    "h": 222.8
  },
  "luminance": 0.09282
}

Semantic roles & 50–950 ramp

primary
#1D5D71
secondary
#A55C44
accent
#6B45E2
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0E
muted
#7A7D7E

Preview Lab

Preview with #1D5D71

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5D71 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva