#1C4D7C#1C4D7C

#1C4D7C is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.095 H 250.5°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D7C
RGB	rgb(28, 77, 124)
HSL	hsl(209, 63%, 30%)
HSV	hsv(209, 77%, 49%)
CMYK	cmyk(77.4%, 37.9%, 0%, 51.4%)
CIE-LAB	lab(31.83, 1.10, -31.34)
CIE-LCH	lch(31.83, 31.36, 272.02°)
OKLab	oklab(41.2% -0.0316 -0.0892)
OKLCH	oklch(41.2% 0.095 250.5)
XYZ	xyz(6.7695, 7.0091, 20.0610)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D7C #7C4B1C

analogous

#1C7C7B #1C4D7C #1C1D7C

triadic

#1C4D7C #7C1C4D #4D7C1C

tetradic

#1C4D7C #7B1C7C #7C4B1C #1D7C1C

square

#1C4D7C #7B1C7C #7C4B1C #1D7C1C

split-complementary

#1C4D7C #7C1C1D #7C7B1C

monochromatic

#061019 #112E4A #1C4D7C #276CAE #3F8BD4

Accessibility & contrast

On white

8.74

#1C4D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1C4D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D7C

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D7C	#FFFFFF	#000000	##FFFFFF
##1C4D7C	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37507E

Deuteranopia (green-blind)

#29477B

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4d7c;
/* rgb */ color: rgb(28, 77, 124);
/* oklch */ color: oklch(41.2% 0.095 250.5);

Tailwind

colors: {
  custom: {
    50: '#677ea2',
    500: '#1c4d7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d7c;
$custom-light: #677ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d7c",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 124
  },
  "hsl": {
    "h": 209.375,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41198,
    "c": 0.09465,
    "h": 250.5
  },
  "luminance": 0.0701
}

Semantic roles & 50–950 ramp

primary

#1C4D7C

secondary

#B07944

accent

#9242E6

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1C4D7C

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

Preview Lab → · Contrast checker → · Palette generator →