#1C4E7B#1C4E7B

#1C4E7B is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.092 H 249.1°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E7B
RGB	rgb(28, 78, 123)
HSL	hsl(208, 63%, 30%)
HSV	hsv(208, 77%, 48%)
CMYK	cmyk(77.2%, 36.6%, 0%, 51.8%)
CIE-LAB	lab(32.09, 0.05, -30.31)
CIE-LCH	lch(32.09, 30.31, 270.10°)
OKLab	oklab(41.39% -0.0329 -0.0862)
OKLCH	oklch(41.39% 0.092 249.1)
XYZ	xyz(6.7771, 7.1249, 19.7531)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E7B #7B491C

analogous

#1C7B79 #1C4E7B #1C1F7B

triadic

#1C4E7B #7B1C4E #4E7B1C

tetradic

#1C4E7B #791C7B #7B491C #1F7B1C

square

#1C4E7B #791C7B #7B491C #1F7B1C

split-complementary

#1C4E7B #7B1C1F #7B791C

monochromatic

#061019 #112E49 #1C4E7B #276EAD #3E8DD3

Accessibility & contrast

On white

8.66

#1C4E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1C4E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E7B

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E7B	#FFFFFF	#000000	##FFFFFF
##1C4E7B	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39507D

Deuteranopia (green-blind)

#2C477A

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4e7b;
/* rgb */ color: rgb(28, 78, 123);
/* oklch */ color: oklch(41.4% 0.092 249.1);

Tailwind

colors: {
  custom: {
    50: '#667fa1',
    500: '#1c4e7b',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e7b;
$custom-light: #667fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e7b",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 123
  },
  "hsl": {
    "h": 208.421,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41385,
    "c": 0.09223,
    "h": 249.1
  },
  "luminance": 0.07126
}

Semantic roles & 50–950 ramp

primary

#1C4E7B

secondary

#AF7744

accent

#9042E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #1C4E7B

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

Preview Lab → · Contrast checker → · Palette generator →