#1D4863#1D4863

#1D4863 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.5% C 0.066 H 239.3°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D4863
RGB	rgb(29, 72, 99)
HSL	hsl(203, 55%, 25%)
HSV	hsv(203, 71%, 39%)
CMYK	cmyk(70.7%, 27.3%, 0%, 61.2%)
CIE-LAB	lab(28.89, -5.22, -20.20)
CIE-LCH	lch(28.89, 20.86, 255.51°)
OKLab	oklab(38.46% -0.0337 -0.0568)
OKLCH	oklch(38.46% 0.066 239.3)
XYZ	xyz(5.0753, 5.7963, 12.6533)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4863 #63381D

analogous

#1D635B #1D4863 #1D2563

triadic

#1D4863 #631D48 #48631D

tetradic

#1D4863 #5B1D63 #63381D #25631D

square

#1D4863 #5B1D63 #63381D #25631D

split-complementary

#1D4863 #631D25 #635B1D

monochromatic

#071118 #0F2634 #1D4863 #2B6A92 #398DC2

Accessibility & contrast

On white

9.72

#1D4863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1D4863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4863

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4863	#FFFFFF	#000000	##FFFFFF
##1D4863	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4864

Deuteranopia (green-blind)

#324163

Tritanopia (blue-blind)

#004F51

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4863;
/* rgb */ color: rgb(29, 72, 99);
/* oklch */ color: oklch(38.5% 0.066 239.3);

Tailwind

colors: {
  custom: {
    50: '#627a8f',
    500: '#1d4863',
    950: '#000000',
  },
}

SCSS

$custom: #1d4863;
$custom-light: #627a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4863",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 99
  },
  "hsl": {
    "h": 203.143,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.38455,
    "c": 0.06608,
    "h": 239.3
  },
  "luminance": 0.05797
}

Semantic roles & 50–950 ramp

primary

#1D4863

secondary

#986444

accent

#834ADE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1D4863

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

Preview Lab → · Contrast checker → · Palette generator →