#1D4E6C#1D4E6C

#1D4E6C is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.5% C 0.073 H 239.1°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E6C
RGB	rgb(29, 78, 108)
HSL	hsl(203, 58%, 27%)
HSV	hsv(203, 73%, 42%)
CMYK	cmyk(73.1%, 27.8%, 0%, 57.6%)
CIE-LAB	lab(31.33, -5.62, -22.11)
CIE-LCH	lch(31.33, 22.81, 255.74°)
OKLab	oklab(40.53% -0.0372 -0.0623)
OKLCH	oklch(40.53% 0.073 239.1)
XYZ	xyz(5.9368, 6.7920, 15.1826)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E6C #6C3B1D

analogous

#1D6C63 #1D4E6C #1D276C

triadic

#1D4E6C #6C1D4E #4E6C1D

tetradic

#1D4E6C #631D6C #6C3B1D #276C1D

square

#1D4E6C #631D6C #6C3B1D #276C1D

split-complementary

#1D4E6C #6C1D27 #6C631D

monochromatic

#061118 #102B3C #1D4E6C #2A719C #3993CA

Accessibility & contrast

On white

8.90

#1D4E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D4E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E6C

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E6C	#FFFFFF	#000000	##FFFFFF
##1D4E6C	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404E6D

Deuteranopia (green-blind)

#35466B

Tritanopia (blue-blind)

#005658

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4e6c;
/* rgb */ color: rgb(29, 78, 108);
/* oklch */ color: oklch(40.5% 0.073 239.1);

Tailwind

colors: {
  custom: {
    50: '#647f96',
    500: '#1d4e6c',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e6c;
$custom-light: #647f96;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e6c",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 108
  },
  "hsl": {
    "h": 202.785,
    "s": 57.664,
    "l": 26.863
  },
  "oklch": {
    "l": 0.40533,
    "c": 0.07257,
    "h": 239.1
  },
  "luminance": 0.06793
}

Semantic roles & 50–950 ramp

primary

#1D4E6C

secondary

#A16744

accent

#8147E1

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D4E6C

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

Preview Lab → · Contrast checker → · Palette generator →