#1C4574#1C4574

#1C4574 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.7% C 0.092 H 253.9°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#1C4574
RGB	rgb(28, 69, 116)
HSL	hsl(212, 61%, 28%)
HSV	hsv(212, 76%, 45%)
CMYK	cmyk(75.9%, 40.5%, 0%, 54.5%)
CIE-LAB	lab(28.81, 3.24, -31.13)
CIE-LCH	lch(28.81, 31.30, 275.94°)
OKLab	oklab(38.68% -0.0257 -0.0887)
OKLCH	oklch(38.68% 0.092 253.9)
XYZ	xyz(5.7582, 5.7634, 17.3286)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4574 #744B1C

analogous

#1C7174 #1C4574 #1F1C74

triadic

#1C4574 #741C45 #45741C

tetradic

#1C4574 #741C71 #744B1C #1C741F

square

#1C4574 #741C71 #744B1C #1C741F

split-complementary

#1C4574 #741F1C #71741C

monochromatic

#060F19 #102843 #1C4574 #2862A5 #3B80D0

Accessibility & contrast

On white

9.75

#1C4574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1C4574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4574

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4574	#FFFFFF	#000000	##FFFFFF
##1C4574	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	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: #1c4574;
/* rgb */ color: rgb(28, 69, 116);
/* oklch */ color: oklch(38.7% 0.092 253.9);

Tailwind

colors: {
  custom: {
    50: '#65789c',
    500: '#1c4574',
    950: '#000000',
  },
}

SCSS

$custom: #1c4574;
$custom-light: #65789c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4574",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 116
  },
  "hsl": {
    "h": 212.045,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38683,
    "c": 0.09237,
    "h": 253.9
  },
  "luminance": 0.05764
}

Semantic roles & 50–950 ramp

primary

#1C4574

secondary

#A87943

accent

#9944E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1C4574

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

Preview Lab → · Contrast checker → · Palette generator →