#1D4563#1D4563

#1D4563 is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.7% C 0.068 H 243.8°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D4563
RGB	rgb(29, 69, 99)
HSL	hsl(206, 55%, 25%)
HSV	hsv(206, 71%, 39%)
CMYK	cmyk(70.7%, 30.3%, 0%, 61.2%)
CIE-LAB	lab(27.89, -3.28, -21.76)
CIE-LCH	lch(27.89, 22.00, 261.42°)
OKLab	oklab(37.66% -0.0302 -0.0614)
OKLCH	oklch(37.66% 0.068 243.8)
XYZ	xyz(4.8861, 5.4178, 12.5902)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4563 #633B1D

analogous

#1D635E #1D4563 #1D2263

triadic

#1D4563 #631D45 #45631D

tetradic

#1D4563 #5E1D63 #633B1D #22631D

square

#1D4563 #5E1D63 #633B1D #22631D

split-complementary

#1D4563 #631D22 #635E1D

monochromatic

#071018 #0F2434 #1D4563 #2B6692 #3987C2

Accessibility & contrast

On white

10.08

#1D4563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1D4563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4563

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4563	#FFFFFF	#000000	##FFFFFF
##1D4563	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384664

Deuteranopia (green-blind)

#2E3F62

Tritanopia (blue-blind)

#004C4F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d4563;
/* rgb */ color: rgb(29, 69, 99);
/* oklch */ color: oklch(37.7% 0.068 243.8);

Tailwind

colors: {
  custom: {
    50: '#62788f',
    500: '#1d4563',
    950: '#000000',
  },
}

SCSS

$custom: #1d4563;
$custom-light: #62788f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4563",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 99
  },
  "hsl": {
    "h": 205.714,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37664,
    "c": 0.0684,
    "h": 243.8
  },
  "luminance": 0.05418
}

Semantic roles & 50–950 ramp

primary

#1D4563

secondary

#986844

accent

#894ADE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1D4563

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

Preview Lab → · Contrast checker → · Palette generator →