#1D445C#1D445C

#1D445C is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.0% C 0.060 H 238.4°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D445C
RGB	rgb(29, 68, 92)
HSL	hsl(203, 52%, 24%)
HSV	hsv(203, 68%, 36%)
CMYK	cmyk(68.5%, 26.1%, 0%, 63.9%)
CIE-LAB	lab(27.21, -5.29, -18.32)
CIE-LCH	lch(27.21, 19.07, 253.89°)
OKLab	oklab(37.01% -0.0316 -0.0514)
OKLCH	oklch(37.01% 0.06 238.4)
XYZ	xyz(4.5048, 5.1677, 10.8832)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D445C #5C351D

analogous

#1D5C54 #1D445C #1D245C

triadic

#1D445C #5C1D44 #445C1D

tetradic

#1D445C #541D5C #5C351D #245C1D

square

#1D445C #541D5C #5C351D #245C1D

split-complementary

#1D445C #5C1D24 #5C541D

monochromatic

#071117 #0E222D #1D445C #2C668B #3A89B9

Accessibility & contrast

On white

10.33

#1D445C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1D445C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D445C

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D445C	#FFFFFF	#000000	##FFFFFF
##1D445C	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445D

Deuteranopia (green-blind)

#303D5C

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d445c;
/* rgb */ color: rgb(29, 68, 92);
/* oklch */ color: oklch(37.0% 0.060 238.4);

Tailwind

colors: {
  custom: {
    50: '#61778a',
    500: '#1d445c',
    950: '#000000',
  },
}

SCSS

$custom: #1d445c;
$custom-light: #61778a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d445c",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 92
  },
  "hsl": {
    "h": 202.857,
    "s": 52.066,
    "l": 23.725
  },
  "oklch": {
    "l": 0.37006,
    "c": 0.06038,
    "h": 238.4
  },
  "luminance": 0.05168
}

Semantic roles & 50–950 ramp

primary

#1D445C

secondary

#916144

accent

#834CDC

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1D445C

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

Preview Lab → · Contrast checker → · Palette generator →