#1D4372#1D4372

#1D4372 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.1% C 0.091 H 255.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#1D4372
RGB	rgb(29, 67, 114)
HSL	hsl(213, 59%, 28%)
HSV	hsv(213, 75%, 45%)
CMYK	cmyk(74.6%, 41.2%, 0%, 55.3%)
CIE-LAB	lab(28.09, 3.95, -31.01)
CIE-LCH	lch(28.09, 31.26, 277.26°)
OKLab	oklab(38.09% -0.0234 -0.0884)
OKLCH	oklch(38.09% 0.091 255.2)
XYZ	xyz(5.5500, 5.4898, 16.6835)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4372 #724C1D

analogous

#1D6E72 #1D4372 #211D72

triadic

#1D4372 #721D43 #43721D

tetradic

#1D4372 #721D6E #724C1D #1D7221

square

#1D4372 #721D6E #724C1D #1D7221

split-complementary

#1D4372 #72211D #6E721D

monochromatic

#060E18 #112641 #1D4372 #2960A3 #3C7DCD

Accessibility & contrast

On white

10.01

#1D4372 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1D4372 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4372

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4372	#FFFFFF	#000000	##FFFFFF
##1D4372	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4774

Deuteranopia (green-blind)

#203F71

Tritanopia (blue-blind)

#004E55

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d4372;
/* rgb */ color: rgb(29, 67, 114);
/* oklch */ color: oklch(38.1% 0.091 255.2);

Tailwind

colors: {
  custom: {
    50: '#65769b',
    500: '#1d4372',
    950: '#000000',
  },
}

SCSS

$custom: #1d4372;
$custom-light: #65769b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4372",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 114
  },
  "hsl": {
    "h": 213.176,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.38092,
    "c": 0.09145,
    "h": 255.2
  },
  "luminance": 0.0549
}

Semantic roles & 50–950 ramp

primary

#1D4372

secondary

#A67B45

accent

#9C45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4372

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

Preview Lab → · Contrast checker → · Palette generator →