#1D4565#1D4565

#1D4565 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.8% C 0.071 H 245.5°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#1D4565
RGB	rgb(29, 69, 101)
HSL	hsl(207, 55%, 25%)
HSV	hsv(207, 71%, 40%)
CMYK	cmyk(71.3%, 31.7%, 0%, 60.4%)
CIE-LAB	lab(28.00, -2.51, -22.88)
CIE-LCH	lch(28.00, 23.01, 263.73°)
OKLab	oklab(37.78% -0.0295 -0.0646)
OKLCH	oklch(37.78% 0.071 245.5)
XYZ	xyz(4.9829, 5.4565, 13.1000)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4565 #653D1D

analogous

#1D6561 #1D4565 #1D2165

triadic

#1D4565 #651D45 #45651D

tetradic

#1D4565 #611D65 #653D1D #21651D

square

#1D4565 #611D65 #653D1D #21651D

split-complementary

#1D4565 #651D21 #65611D

monochromatic

#071018 #0F2535 #1D4565 #2B6595 #3886C4

Accessibility & contrast

On white

10.04

#1D4565 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1D4565 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4565

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4565	#FFFFFF	#000000	##FFFFFF
##1D4565	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374666

Deuteranopia (green-blind)

#2D3F64

Tritanopia (blue-blind)

#004D50

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d4565;
/* rgb */ color: rgb(29, 69, 101);
/* oklch */ color: oklch(37.8% 0.071 245.5);

Tailwind

colors: {
  custom: {
    50: '#627891',
    500: '#1d4565',
    950: '#000000',
  },
}

SCSS

$custom: #1d4565;
$custom-light: #627891;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4565",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 101
  },
  "hsl": {
    "h": 206.667,
    "s": 55.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37781,
    "c": 0.07104,
    "h": 245.5
  },
  "luminance": 0.05457
}

Semantic roles & 50–950 ramp

primary

#1D4565

secondary

#9A6A44

accent

#8C49DF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #1D4565

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

Preview Lab → · Contrast checker → · Palette generator →