#1D4871#1D4871

#1D4871 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.3% C 0.084 H 249.9°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D4871
RGB	rgb(29, 72, 113)
HSL	hsl(209, 59%, 28%)
HSV	hsv(209, 74%, 44%)
CMYK	cmyk(74.3%, 36.3%, 0%, 55.7%)
CIE-LAB	lab(29.63, 0.20, -27.93)
CIE-LCH	lch(29.63, 27.93, 270.41°)
OKLab	oklab(39.28% -0.029 -0.0793)
OKLCH	oklch(39.28% 0.084 249.9)
XYZ	xyz(5.8036, 6.0876, 16.4887)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4871 #71461D

analogous

#1D7170 #1D4871 #1D1E71

triadic

#1D4871 #711D48 #48711D

tetradic

#1D4871 #701D71 #71461D #1E711D

square

#1D4871 #701D71 #71461D #1E711D

split-complementary

#1D4871 #711D1E #71701D

monochromatic

#061018 #112940 #1D4871 #2967A2 #3C86CD

Accessibility & contrast

On white

9.47

#1D4871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1D4871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4871

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4871	#FFFFFF	#000000	##FFFFFF
##1D4871	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364A73

Deuteranopia (green-blind)

#294270

Tritanopia (blue-blind)

#005257

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4871;
/* rgb */ color: rgb(29, 72, 113);
/* oklch */ color: oklch(39.3% 0.084 249.9);

Tailwind

colors: {
  custom: {
    50: '#657a9a',
    500: '#1d4871',
    950: '#000000',
  },
}

SCSS

$custom: #1d4871;
$custom-light: #657a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4871",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 113
  },
  "hsl": {
    "h": 209.286,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.39281,
    "c": 0.08443,
    "h": 249.9
  },
  "luminance": 0.06088
}

Semantic roles & 50–950 ramp

primary

#1D4871

secondary

#A57444

accent

#9245E2

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1D4871

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

Preview Lab → · Contrast checker → · Palette generator →