#1C4E6C#1C4E6C

#1C4E6C is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.5% C 0.073 H 238.8°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E6C
RGB	rgb(28, 78, 108)
HSL	hsl(203, 59%, 27%)
HSV	hsv(203, 74%, 42%)
CMYK	cmyk(74.1%, 27.8%, 0%, 57.6%)
CIE-LAB	lab(31.30, -5.78, -22.16)
CIE-LCH	lch(31.30, 22.91, 255.37°)
OKLab	oklab(40.5% -0.0379 -0.0625)
OKLCH	oklch(40.5% 0.073 238.8)
XYZ	xyz(5.9090, 6.7777, 15.1813)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E6C #6C3A1C

analogous

#1C6C62 #1C4E6C #1C266C

triadic

#1C4E6C #6C1C4E #4E6C1C

tetradic

#1C4E6C #621C6C #6C3A1C #266C1C

square

#1C4E6C #621C6C #6C3A1C #266C1C

split-complementary

#1C4E6C #6C1C26 #6C621C

monochromatic

#061218 #0F2B3B #1C4E6C #29719D #3794CB

Accessibility & contrast

On white

8.91

#1C4E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1C4E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E6C

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E6C	#FFFFFF	#000000	##FFFFFF
##1C4E6C	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404E6D

Deuteranopia (green-blind)

#35466B

Tritanopia (blue-blind)

#005658

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4e6c;
/* rgb */ color: rgb(28, 78, 108);
/* oklch */ color: oklch(40.5% 0.073 238.8);

Tailwind

colors: {
  custom: {
    50: '#637f96',
    500: '#1c4e6c',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e6c;
$custom-light: #637f96;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e6c",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 108
  },
  "hsl": {
    "h": 202.5,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40497,
    "c": 0.07305,
    "h": 238.8
  },
  "luminance": 0.06778
}

Semantic roles & 50–950 ramp

primary

#1C4E6C

secondary

#A16643

accent

#8046E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1C4E6C

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

Preview Lab → · Contrast checker → · Palette generator →