#1C4F7A#1C4F7A

#1C4F7A is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.090 H 247.6°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F7A
RGB	rgb(28, 79, 122)
HSL	hsl(207, 63%, 29%)
HSV	hsv(207, 77%, 48%)
CMYK	cmyk(77%, 35.2%, 0%, 52.2%)
CIE-LAB	lab(32.35, -0.99, -29.27)
CIE-LCH	lch(32.35, 29.28, 268.05°)
OKLab	oklab(41.58% -0.0342 -0.0831)
OKLCH	oklch(41.58% 0.09 247.6)
XYZ	xyz(6.7864, 7.2432, 19.4490)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F7A #7A471C

analogous

#1C7A76 #1C4F7A #1C207A

triadic

#1C4F7A #7A1C4F #4F7A1C

tetradic

#1C4F7A #761C7A #7A471C #207A1C

square

#1C4F7A #761C7A #7A471C #207A1C

split-complementary

#1C4F7A #7A1C20 #7A761C

monochromatic

#061019 #112F48 #1C4F7A #276FAC #3E8FD3

Accessibility & contrast

On white

8.58

#1C4F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1C4F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F7A

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F7A	#FFFFFF	#000000	##FFFFFF
##1C4F7A	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B517C

Deuteranopia (green-blind)

#2E4879

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4f7a;
/* rgb */ color: rgb(28, 79, 122);
/* oklch */ color: oklch(41.6% 0.090 247.6);

Tailwind

colors: {
  custom: {
    50: '#6680a0',
    500: '#1c4f7a',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f7a;
$custom-light: #6680a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f7a",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 122
  },
  "hsl": {
    "h": 207.447,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41575,
    "c": 0.08988,
    "h": 247.6
  },
  "luminance": 0.07244
}

Semantic roles & 50–950 ramp

primary

#1C4F7A

secondary

#AE7444

accent

#8D42E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #1C4F7A

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

Preview Lab → · Contrast checker → · Palette generator →