#1D4F78#1D4F78

#1D4F78 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.087 H 246.8°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D4F78
RGB	rgb(29, 79, 120)
HSL	hsl(207, 61%, 29%)
HSV	hsv(207, 76%, 47%)
CMYK	cmyk(75.8%, 34.2%, 0%, 52.9%)
CIE-LAB	lab(32.28, -1.63, -28.14)
CIE-LCH	lch(32.28, 28.19, 266.68°)
OKLab	oklab(41.49% -0.0342 -0.0798)
OKLCH	oklch(41.49% 0.087 246.8)
XYZ	xyz(6.6916, 7.2085, 18.8044)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4F78 #78461D

analogous

#1D7874 #1D4F78 #1D2278

triadic

#1D4F78 #781D4F #4F781D

tetradic

#1D4F78 #741D78 #78461D #22781D

square

#1D4F78 #741D78 #78461D #22781D

split-complementary

#1D4F78 #781D22 #78741D

monochromatic

#061019 #112F47 #1D4F78 #296FA9 #3F8FD1

Accessibility & contrast

On white

8.60

#1D4F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1D4F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F78

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4F78	#FFFFFF	#000000	##FFFFFF
##1D4F78	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C517A

Deuteranopia (green-blind)

#2F4877

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4f78;
/* rgb */ color: rgb(29, 79, 120);
/* oklch */ color: oklch(41.5% 0.087 246.8);

Tailwind

colors: {
  custom: {
    50: '#66809f',
    500: '#1d4f78',
    950: '#000000',
  },
}

SCSS

$custom: #1d4f78;
$custom-light: #66809f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4f78",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 120
  },
  "hsl": {
    "h": 207.033,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.41487,
    "c": 0.08684,
    "h": 246.8
  },
  "luminance": 0.07209
}

Semantic roles & 50–950 ramp

primary

#1D4F78

secondary

#AC7345

accent

#8C44E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4F78

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

Preview Lab → · Contrast checker → · Palette generator →