#1D4D72#1D4D72

#1D4D72 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.6% C 0.081 H 245.1°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D72
RGB	rgb(29, 77, 114)
HSL	hsl(206, 59%, 28%)
HSV	hsv(206, 75%, 45%)
CMYK	cmyk(74.6%, 32.5%, 0%, 55.3%)
CIE-LAB	lab(31.31, -2.68, -25.91)
CIE-LCH	lch(31.31, 26.05, 264.10°)
OKLab	oklab(40.62% -0.034 -0.0734)
OKLCH	oklch(40.62% 0.081 245.1)
XYZ	xyz(6.1967, 6.7832, 16.8990)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D72 #72421D

analogous

#1D726C #1D4D72 #1D2272

triadic

#1D4D72 #721D4D #4D721D

tetradic

#1D4D72 #6C1D72 #72421D #22721D

square

#1D4D72 #6C1D72 #72421D #22721D

split-complementary

#1D4D72 #721D22 #726C1D

monochromatic

#061018 #112C41 #1D4D72 #296EA3 #3C8ECD

Accessibility & contrast

On white

8.91

#1D4D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D4D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D72

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D72	#FFFFFF	#000000	##FFFFFF
##1D4D72	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4E74

Deuteranopia (green-blind)

#304671

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4d72;
/* rgb */ color: rgb(29, 77, 114);
/* oklch */ color: oklch(40.6% 0.081 245.1);

Tailwind

colors: {
  custom: {
    50: '#657e9a',
    500: '#1d4d72',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d72;
$custom-light: #657e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d72",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 114
  },
  "hsl": {
    "h": 206.118,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40618,
    "c": 0.08086,
    "h": 245.1
  },
  "luminance": 0.06784
}

Semantic roles & 50–950 ramp

primary

#1D4D72

secondary

#A66F45

accent

#8A45E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4D72

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

Preview Lab → · Contrast checker → · Palette generator →