#1D4579#1D4579

#1D4579 is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.1% C 0.099 H 256.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#1D4579
RGB	rgb(29, 69, 121)
HSL	hsl(214, 61%, 29%)
HSV	hsv(214, 76%, 47%)
CMYK	cmyk(76%, 43%, 0%, 52.5%)
CIE-LAB	lab(29.15, 5.40, -33.72)
CIE-LCH	lch(29.15, 34.15, 279.09°)
OKLab	oklab(39.06% -0.0237 -0.0963)
OKLCH	oklch(39.06% 0.099 256.2)
XYZ	xyz(6.0847, 5.8973, 18.9031)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4579 #79511D

analogous

#1D7379 #1D4579 #231D79

triadic

#1D4579 #791D45 #45791D

tetradic

#1D4579 #791D73 #79511D #1D7923

square

#1D4579 #791D73 #79511D #1D7923

split-complementary

#1D4579 #79231D #73791D

monochromatic

#060E19 #112948 #1D4579 #2961AA #3F7FD1

Accessibility & contrast

On white

9.63

#1D4579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1D4579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4579

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4579	#FFFFFF	#000000	##FFFFFF
##1D4579	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C497B

Deuteranopia (green-blind)

#1D4178

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d4579;
/* rgb */ color: rgb(29, 69, 121);
/* oklch */ color: oklch(39.1% 0.099 256.2);

Tailwind

colors: {
  custom: {
    50: '#6678a0',
    500: '#1d4579',
    950: '#000000',
  },
}

SCSS

$custom: #1d4579;
$custom-light: #6678a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4579",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 121
  },
  "hsl": {
    "h": 213.913,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39061,
    "c": 0.09921,
    "h": 256.2
  },
  "luminance": 0.05898
}

Semantic roles & 50–950 ramp

primary

#1D4579

secondary

#AD8045

accent

#9E43E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #1D4579

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

Preview Lab → · Contrast checker → · Palette generator →