#1D4374#1D4374

#1D4374 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.2% C 0.094 H 255.9°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#1D4374
RGB	rgb(29, 67, 116)
HSL	hsl(214, 60%, 28%)
HSV	hsv(214, 75%, 45%)
CMYK	cmyk(75%, 42.2%, 0%, 54.5%)
CIE-LAB	lab(28.21, 4.75, -32.08)
CIE-LCH	lch(28.21, 32.43, 278.42°)
OKLab	oklab(38.23% -0.0229 -0.0915)
OKLCH	oklch(38.23% 0.094 255.9)
XYZ	xyz(5.6651, 5.5359, 17.2896)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4374 #744E1D

analogous

#1D6E74 #1D4374 #221D74

triadic

#1D4374 #741D43 #43741D

tetradic

#1D4374 #741D6E #744E1D #1D7422

square

#1D4374 #741D6E #744E1D #1D7422

split-complementary

#1D4374 #74221D #6E741D

monochromatic

#060E18 #112743 #1D4374 #295FA5 #3D7CCE

Accessibility & contrast

On white

9.97

#1D4374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1D4374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4374

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4374	#FFFFFF	#000000	##FFFFFF
##1D4374	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4776

Deuteranopia (green-blind)

#1E3F73

Tritanopia (blue-blind)

#004E55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d4374;
/* rgb */ color: rgb(29, 67, 116);
/* oklch */ color: oklch(38.2% 0.094 255.9);

Tailwind

colors: {
  custom: {
    50: '#65769c',
    500: '#1d4374',
    950: '#000000',
  },
}

SCSS

$custom: #1d4374;
$custom-light: #65769c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4374",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 116
  },
  "hsl": {
    "h": 213.793,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38228,
    "c": 0.09436,
    "h": 255.9
  },
  "luminance": 0.05536
}

Semantic roles & 50–950 ramp

primary

#1D4374

secondary

#A87D45

accent

#9E45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4374

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

Preview Lab → · Contrast checker → · Palette generator →