#1D4B77#1D4B77

#1D4B77 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.4% C 0.090 H 250.2°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D4B77
RGB	rgb(29, 75, 119)
HSL	hsl(209, 61%, 29%)
HSV	hsv(209, 76%, 47%)
CMYK	cmyk(75.6%, 37%, 0%, 53.3%)
CIE-LAB	lab(30.94, 0.59, -29.63)
CIE-LCH	lch(30.94, 29.64, 271.13°)
OKLab	oklab(40.42% -0.0303 -0.0842)
OKLCH	oklch(40.42% 0.09 250.2)
XYZ	xyz(6.3513, 6.6246, 18.3931)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4B77 #77491D

analogous

#1D7776 #1D4B77 #1D1E77

triadic

#1D4B77 #771D4B #4B771D

tetradic

#1D4B77 #761D77 #77491D #1E771D

square

#1D4B77 #761D77 #77491D #1E771D

split-complementary

#1D4B77 #771D1E #77761D

monochromatic

#061019 #112C46 #1D4B77 #296AA8 #3E89D0

Accessibility & contrast

On white

9.03

#1D4B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4B77

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4B77	#FFFFFF	#000000	##FFFFFF
##1D4B77	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374D79

Deuteranopia (green-blind)

#2A4576

Tritanopia (blue-blind)

#00555B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4b77;
/* rgb */ color: rgb(29, 75, 119);
/* oklch */ color: oklch(40.4% 0.090 250.2);

Tailwind

colors: {
  custom: {
    50: '#667d9e',
    500: '#1d4b77',
    950: '#000000',
  },
}

SCSS

$custom: #1d4b77;
$custom-light: #667d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4b77",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 119
  },
  "hsl": {
    "h": 209.333,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40415,
    "c": 0.08954,
    "h": 250.2
  },
  "luminance": 0.06625
}

Semantic roles & 50–950 ramp

primary

#1D4B77

secondary

#AB7745

accent

#9244E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1D4B77

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

Preview Lab → · Contrast checker → · Palette generator →