#1D4E79#1D4E79

#1D4E79 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.089 H 248.4°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E79
RGB	rgb(29, 78, 121)
HSL	hsl(208, 61%, 29%)
HSV	hsv(208, 76%, 47%)
CMYK	cmyk(76%, 35.5%, 0%, 52.5%)
CIE-LAB	lab(32.01, -0.59, -29.18)
CIE-LCH	lch(32.01, 29.19, 268.84°)
OKLab	oklab(41.3% -0.0328 -0.0829)
OKLCH	oklch(41.3% 0.089 248.4)
XYZ	xyz(6.6810, 7.0897, 19.1018)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E79 #79481D

analogous

#1D7976 #1D4E79 #1D2079

triadic

#1D4E79 #791D4E #4E791D

tetradic

#1D4E79 #761D79 #79481D #20791D

square

#1D4E79 #761D79 #79481D #20791D

split-complementary

#1D4E79 #791D20 #79761D

monochromatic

#061019 #112E48 #1D4E79 #296EAA #3F8DD1

Accessibility & contrast

On white

8.68

#1D4E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1D4E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E79

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E79	#FFFFFF	#000000	##FFFFFF
##1D4E79	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507B

Deuteranopia (green-blind)

#2D4778

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4e79;
/* rgb */ color: rgb(29, 78, 121);
/* oklch */ color: oklch(41.3% 0.089 248.4);

Tailwind

colors: {
  custom: {
    50: '#667fa0',
    500: '#1d4e79',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e79;
$custom-light: #667fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e79",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 121
  },
  "hsl": {
    "h": 208.043,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41295,
    "c": 0.08915,
    "h": 248.4
  },
  "luminance": 0.0709
}

Semantic roles & 50–950 ramp

primary

#1D4E79

secondary

#AD7645

accent

#8F43E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4E79

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

Preview Lab → · Contrast checker → · Palette generator →