#1D4474#1D4474

#1D4474 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.5% C 0.093 H 255.1°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1D4474
RGB	rgb(29, 68, 116)
HSL	hsl(213, 60%, 28%)
HSV	hsv(213, 75%, 45%)
CMYK	cmyk(75%, 41.4%, 0%, 54.5%)
CIE-LAB	lab(28.53, 4.07, -31.57)
CIE-LCH	lch(28.53, 31.83, 277.35°)
OKLab	oklab(38.48% -0.0239 -0.09)
OKLCH	oklch(38.48% 0.093 255.1)
XYZ	xyz(5.7250, 5.6558, 17.3096)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4474 #744D1D

analogous

#1D6F74 #1D4474 #211D74

triadic

#1D4474 #741D44 #44741D

tetradic

#1D4474 #741D6F #744D1D #1D7421

square

#1D4474 #741D6F #744D1D #1D7421

split-complementary

#1D4474 #74211D #6F741D

monochromatic

#060E18 #112743 #1D4474 #2961A5 #3D7ECE

Accessibility & contrast

On white

9.85

#1D4474 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1D4474 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4474

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4474	#FFFFFF	#000000	##FFFFFF
##1D4474	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4876

Deuteranopia (green-blind)

#204073

Tritanopia (blue-blind)

#004F56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d4474;
/* rgb */ color: rgb(29, 68, 116);
/* oklch */ color: oklch(38.5% 0.093 255.1);

Tailwind

colors: {
  custom: {
    50: '#65779c',
    500: '#1d4474',
    950: '#000000',
  },
}

SCSS

$custom: #1d4474;
$custom-light: #65779c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4474",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 116
  },
  "hsl": {
    "h": 213.103,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38475,
    "c": 0.09317,
    "h": 255.1
  },
  "luminance": 0.05656
}

Semantic roles & 50–950 ramp

primary

#1D4474

secondary

#A87C45

accent

#9C45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4474

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

Preview Lab → · Contrast checker → · Palette generator →