#1C4D78#1C4D78

#1C4D78 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.089 H 248.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D78
RGB	rgb(28, 77, 120)
HSL	hsl(208, 62%, 29%)
HSV	hsv(208, 77%, 47%)
CMYK	cmyk(76.7%, 35.8%, 0%, 52.9%)
CIE-LAB	lab(31.60, -0.48, -29.21)
CIE-LCH	lch(31.60, 29.21, 269.06°)
OKLab	oklab(40.95% -0.0328 -0.083)
OKLCH	oklch(40.95% 0.089 248.5)
XYZ	xyz(6.5216, 6.9100, 18.7557)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D78 #78471C

analogous

#1C7875 #1C4D78 #1C1F78

triadic

#1C4D78 #781C4D #4D781C

tetradic

#1C4D78 #751C78 #78471C #1F781C

square

#1C4D78 #751C78 #78471C #1F781C

split-complementary

#1C4D78 #781C1F #78751C

monochromatic

#061019 #102D46 #1C4D78 #286DAA #3D8CD2

Accessibility & contrast

On white

8.82

#1C4D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1C4D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D78

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D78	#FFFFFF	#000000	##FFFFFF
##1C4D78	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394F7A

Deuteranopia (green-blind)

#2C4677

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4d78;
/* rgb */ color: rgb(28, 77, 120);
/* oklch */ color: oklch(40.9% 0.089 248.5);

Tailwind

colors: {
  custom: {
    50: '#667e9f',
    500: '#1c4d78',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d78;
$custom-light: #667e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d78",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 120
  },
  "hsl": {
    "h": 208.043,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40946,
    "c": 0.08922,
    "h": 248.5
  },
  "luminance": 0.06911
}

Semantic roles & 50–950 ramp

primary

#1C4D78

secondary

#AC7444

accent

#8F43E5

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1C4D78

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

Preview Lab → · Contrast checker → · Palette generator →