#1D4879#1D4879

#1D4879 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.096 H 253.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D4879
RGB	rgb(29, 72, 121)
HSL	hsl(212, 61%, 29%)
HSV	hsv(212, 76%, 47%)
CMYK	cmyk(76%, 40.5%, 0%, 52.5%)
CIE-LAB	lab(30.10, 3.37, -32.22)
CIE-LCH	lch(30.10, 32.39, 275.98°)
OKLab	oklab(39.8% -0.0267 -0.0919)
OKLCH	oklch(39.8% 0.096 253.8)
XYZ	xyz(6.2740, 6.2757, 18.9661)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4879 #794E1D

analogous

#1D7679 #1D4879 #201D79

triadic

#1D4879 #791D48 #48791D

tetradic

#1D4879 #791D76 #794E1D #1D7920

square

#1D4879 #791D76 #794E1D #1D7920

split-complementary

#1D4879 #79201D #76791D

monochromatic

#060F19 #112B48 #1D4879 #2965AA #3F83D1

Accessibility & contrast

On white

9.31

#1D4879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1D4879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4879

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4879	#FFFFFF	#000000	##FFFFFF
##1D4879	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314C7B

Deuteranopia (green-blind)

#234378

Tritanopia (blue-blind)

#00545A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d4879;
/* rgb */ color: rgb(29, 72, 121);
/* oklch */ color: oklch(39.8% 0.096 253.8);

Tailwind

colors: {
  custom: {
    50: '#667aa0',
    500: '#1d4879',
    950: '#000000',
  },
}

SCSS

$custom: #1d4879;
$custom-light: #667aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4879",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 121
  },
  "hsl": {
    "h": 211.957,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39797,
    "c": 0.09567,
    "h": 253.8
  },
  "luminance": 0.06276
}

Semantic roles & 50–950 ramp

primary

#1D4879

secondary

#AD7C45

accent

#9943E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #1D4879

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

Preview Lab → · Contrast checker → · Palette generator →