#1C4C7C#1C4C7C

#1C4C7C is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.096 H 251.4°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C4C7C
RGB	rgb(28, 76, 124)
HSL	hsl(210, 63%, 30%)
HSV	hsv(210, 77%, 49%)
CMYK	cmyk(77.4%, 38.7%, 0%, 51.4%)
CIE-LAB	lab(31.51, 1.76, -31.85)
CIE-LCH	lch(31.51, 31.90, 273.17°)
OKLab	oklab(40.95% -0.0306 -0.0907)
OKLCH	oklch(40.95% 0.096 251.4)
XYZ	xyz(6.7001, 6.8702, 20.0378)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4C7C #7C4C1C

analogous

#1C7C7C #1C4C7C #1C1C7C

triadic

#1C4C7C #7C1C4C #4C7C1C

tetradic

#1C4C7C #7C1C7C #7C4C1C #1C7C1C

square

#1C4C7C #7C1C7C #7C4C1C #1C7C1C

split-complementary

#1C4C7C #7C1C1C #7C7C1C

monochromatic

#060F19 #112D4A #1C4C7C #276BAE #3F89D4

Accessibility & contrast

On white

8.85

#1C4C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1C4C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4C7C

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4C7C	#FFFFFF	#000000	##FFFFFF
##1C4C7C	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364F7E

Deuteranopia (green-blind)

#27467B

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4c7c;
/* rgb */ color: rgb(28, 76, 124);
/* oklch */ color: oklch(40.9% 0.096 251.4);

Tailwind

colors: {
  custom: {
    50: '#677da2',
    500: '#1c4c7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c4c7c;
$custom-light: #677da2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4c7c",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 124
  },
  "hsl": {
    "h": 210,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40949,
    "c": 0.09574,
    "h": 251.4
  },
  "luminance": 0.06871
}

Semantic roles & 50–950 ramp

primary

#1C4C7C

secondary

#B07A44

accent

#9442E6

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1C4C7C

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

Preview Lab → · Contrast checker → · Palette generator →