#1D4574#1D4574

#1D4574 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.7% C 0.092 H 254.3°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#1D4574
RGB	rgb(29, 69, 116)
HSL	hsl(212, 60%, 28%)
HSV	hsv(212, 75%, 45%)
CMYK	cmyk(75%, 40.5%, 0%, 54.5%)
CIE-LAB	lab(28.84, 3.39, -31.07)
CIE-LCH	lch(28.84, 31.25, 276.23°)
OKLab	oklab(38.72% -0.025 -0.0885)
OKLCH	oklch(38.72% 0.092 254.3)
XYZ	xyz(5.7860, 5.7778, 17.3299)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4574 #744C1D

analogous

#1D7074 #1D4574 #201D74

triadic

#1D4574 #741D45 #45741D

tetradic

#1D4574 #741D70 #744C1D #1D7420

square

#1D4574 #741D70 #744C1D #1D7420

split-complementary

#1D4574 #74201D #70741D

monochromatic

#060F18 #112843 #1D4574 #2962A5 #3D80CE

Accessibility & contrast

On white

9.74

#1D4574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1D4574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4574

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4574	#FFFFFF	#000000	##FFFFFF
##1D4574	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4876

Deuteranopia (green-blind)

#224073

Tritanopia (blue-blind)

#005057

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4574;
/* rgb */ color: rgb(29, 69, 116);
/* oklch */ color: oklch(38.7% 0.092 254.3);

Tailwind

colors: {
  custom: {
    50: '#65789c',
    500: '#1d4574',
    950: '#000000',
  },
}

SCSS

$custom: #1d4574;
$custom-light: #65789c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4574",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 116
  },
  "hsl": {
    "h": 212.414,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38722,
    "c": 0.09199,
    "h": 254.3
  },
  "luminance": 0.05778
}

Semantic roles & 50–950 ramp

primary

#1D4574

secondary

#A87A45

accent

#9A45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4574

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

Preview Lab → · Contrast checker → · Palette generator →