#1C4A79#1C4A79

#1C4A79 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.094 H 251.7°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C4A79
RGB	rgb(28, 74, 121)
HSL	hsl(210, 62%, 29%)
HSV	hsv(210, 77%, 47%)
CMYK	cmyk(76.9%, 38.8%, 0%, 52.5%)
CIE-LAB	lab(30.70, 1.89, -31.26)
CIE-LCH	lch(30.70, 31.32, 273.46°)
OKLab	oklab(40.26% -0.0294 -0.089)
OKLCH	oklch(40.26% 0.094 251.7)
XYZ	xyz(6.3776, 6.5242, 19.0086)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4A79 #794B1C

analogous

#1C7979 #1C4A79 #1D1C79

triadic

#1C4A79 #791C4A #4A791C

tetradic

#1C4A79 #791C79 #794B1C #1C791D

square

#1C4A79 #791C79 #794B1C #1C791D

split-complementary

#1C4A79 #791D1C #79791C

monochromatic

#060F19 #102C47 #1C4A79 #2868AB #3D87D2

Accessibility & contrast

On white

9.11

#1C4A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1C4A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4A79

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4A79	#FFFFFF	#000000	##FFFFFF
##1C4A79	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344D7B

Deuteranopia (green-blind)

#264478

Tritanopia (blue-blind)

#00555B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4a79;
/* rgb */ color: rgb(28, 74, 121);
/* oklch */ color: oklch(40.3% 0.094 251.7);

Tailwind

colors: {
  custom: {
    50: '#667ca0',
    500: '#1c4a79',
    950: '#000000',
  },
}

SCSS

$custom: #1c4a79;
$custom-light: #667ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4a79",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 121
  },
  "hsl": {
    "h": 210.323,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.40257,
    "c": 0.09377,
    "h": 251.7
  },
  "luminance": 0.06525
}

Semantic roles & 50–950 ramp

primary

#1C4A79

secondary

#AD7944

accent

#9542E5

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1C4A79

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

Preview Lab → · Contrast checker → · Palette generator →