#1D3D63#1D3D63

#1D3D63 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.076 H 254.1°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX#1D3D63
RGBrgb(29, 61, 99)
HSLhsl(213, 55%, 25%)
HSVhsv(213, 71%, 39%)
CMYKcmyk(70.7%, 38.4%, 0%, 61.2%)
CIE-LABlab(25.26, 2.06, -25.91)
CIE-LCHlch(25.26, 25.99, 274.55°)
OKLaboklab(35.59% -0.021 -0.0735)
OKLCHoklch(35.59% 0.076 254.1)
XYZxyz(4.4267, 4.4991, 12.4371)
Luminance0.0450 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D3D63 #63431D
analogous
#1D6063 #1D3D63 #201D63
triadic
#1D3D63 #631D3D #3D631D
tetradic
#1D3D63 #631D60 #63431D #1D6320
square
#1D3D63 #631D60 #63431D #1D6320
split-complementary
#1D3D63 #63201D #60631D
monochromatic
#070F18 #0F2034 #1D3D63 #2B5A92 #3977C2

Accessibility & contrast

On white

11.05
#1D3D63 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#1D3D63 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3D63
11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D3D63#FFFFFF#000000##FFFFFF
##1D3D631.0011.051.9011.05
#FFFFFF11.051.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C3F65
Deuteranopia (green-blind)
#223962
Tritanopia (blue-blind)
#00464B
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #1d3d63;
/* rgb */ color: rgb(29, 61, 99);
/* oklch */ color: oklch(35.6% 0.076 254.1);
Tailwind
colors: {
  custom: {
    50: '#62728f',
    500: '#1d3d63',
    950: '#000000',
  },
}
SCSS
$custom: #1d3d63;
$custom-light: #62728f;
$custom-dark: #000000;
JSON
{
  "hex": "#1d3d63",
  "rgb": {
    "r": 29,
    "g": 61,
    "b": 99
  },
  "hsl": {
    "h": 212.571,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35593,
    "c": 0.07648,
    "h": 254.1
  },
  "luminance": 0.045
}

Semantic roles & 50–950 ramp

primary
#1D3D63
secondary
#987244
accent
#9A4ADE
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#05070C
muted
#7A7A7D

Preview Lab

Preview with #1D3D63

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

Preview Lab → · Contrast checker → · Palette generator →

#1D3D63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva