#1D5172#1D5172

#1D5172 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.6% C 0.078 H 240.3°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#1D5172
RGBrgb(29, 81, 114)
HSLhsl(203, 59%, 28%)
HSVhsv(203, 75%, 45%)
CMYKcmyk(74.6%, 28.9%, 0%, 55.3%)
CIE-LABlab(32.61, -5.23, -23.87)
CIE-LCHlch(32.61, 24.43, 257.65°)
OKLaboklab(41.65% -0.0384 -0.0674)
OKLCHoklch(41.65% 0.078 240.3)
XYZxyz(6.4852, 7.3603, 16.9952)
Luminance0.0736 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5172 #723E1D
analogous
#1D7268 #1D5172 #1D2672
triadic
#1D5172 #721D51 #51721D
tetradic
#1D5172 #681D72 #723E1D #26721D
square
#1D5172 #681D72 #723E1D #26721D
split-complementary
#1D5172 #721D26 #72681D
monochromatic
#061118 #112E41 #1D5172 #2974A3 #3C95CD

Accessibility & contrast

On white

8.49
#1D5172 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#1D5172 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5172
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5172#FFFFFF#000000##FFFFFF
##1D51721.008.492.478.49
#FFFFFF8.491.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#425173
Deuteranopia (green-blind)
#364971
Tritanopia (blue-blind)
#00595C
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #1d5172;
/* rgb */ color: rgb(29, 81, 114);
/* oklch */ color: oklch(41.6% 0.078 240.3);
Tailwind
colors: {
  custom: {
    50: '#65819a',
    500: '#1d5172',
    950: '#000000',
  },
}
SCSS
$custom: #1d5172;
$custom-light: #65819a;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5172",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 114
  },
  "hsl": {
    "h": 203.294,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.4165,
    "c": 0.07752,
    "h": 240.3
  },
  "luminance": 0.07361
}

Semantic roles & 50–950 ramp

primary
#1D5172
secondary
#A66A45
accent
#8245E3
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E

Preview Lab

Preview with #1D5172

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

Preview Lab → · Contrast checker → · Palette generator →

#1D5172 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva