#1D435F#1D435F

#1D435F is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.9% C 0.065 H 243.2°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX#1D435F
RGBrgb(29, 67, 95)
HSLhsl(205, 53%, 24%)
HSVhsv(205, 69%, 37%)
CMYKcmyk(69.5%, 29.5%, 0%, 62.7%)
CIE-LABlab(27.02, -3.51, -20.55)
CIE-LCHlch(27.02, 20.85, 260.31°)
OKLaboklab(36.91% -0.0293 -0.0579)
OKLCHoklch(36.91% 0.065 243.2)
XYZxyz(4.5786, 5.1013, 11.5676)
Luminance0.0510 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D435F #5F391D
analogous
#1D5F5A #1D435F #1D225F
triadic
#1D435F #5F1D43 #435F1D
tetradic
#1D435F #5A1D5F #5F391D #225F1D
square
#1D435F #5A1D5F #5F391D #225F1D
split-complementary
#1D435F #5F1D22 #5F5A1D
monochromatic
#071117 #0F2230 #1D435F #2B648E #3A85BD

Accessibility & contrast

On white

10.39
#1D435F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#1D435F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D435F
10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D435F#FFFFFF#000000##FFFFFF
##1D435F1.0010.392.0210.39
#FFFFFF10.391.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#364360
Deuteranopia (green-blind)
#2D3D5E
Tritanopia (blue-blind)
#004A4D
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #1d435f;
/* rgb */ color: rgb(29, 67, 95);
/* oklch */ color: oklch(36.9% 0.065 243.2);
Tailwind
colors: {
  custom: {
    50: '#61778c',
    500: '#1d435f',
    950: '#000000',
  },
}
SCSS
$custom: #1d435f;
$custom-light: #61778c;
$custom-dark: #000000;
JSON
{
  "hex": "#1d435f",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 95
  },
  "hsl": {
    "h": 205.455,
    "s": 53.226,
    "l": 24.314
  },
  "oklch": {
    "l": 0.36908,
    "c": 0.06488,
    "h": 243.2
  },
  "luminance": 0.05102
}

Semantic roles & 50–950 ramp

primary
#1D435F
secondary
#946644
accent
#894BDD
background
#F6F7F8
surface
#EBEDF0
border
#C6C8CB
text
#05080C
muted
#7A7B7D

Preview Lab

Preview with #1D435F

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

Preview Lab → · Contrast checker → · Palette generator →

#1D435F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva