#1B4E7A#1B4E7A

#1B4E7A is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.091 H 248.3°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E7A
RGB	rgb(27, 78, 122)
HSL	hsl(208, 64%, 29%)
HSV	hsv(208, 78%, 48%)
CMYK	cmyk(77.9%, 36.1%, 0%, 52.2%)
CIE-LAB	lab(32.00, -0.49, -29.82)
CIE-LCH	lch(32.00, 29.83, 269.07°)
OKLab	oklab(41.29% -0.0338 -0.0848)
OKLCH	oklch(41.29% 0.091 248.3)
XYZ	xyz(6.6879, 7.0862, 19.4239)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E7A #7A471B

analogous

#1B7A77 #1B4E7A #1B1F7A

triadic

#1B4E7A #7A1B4E #4E7A1B

tetradic

#1B4E7A #771B7A #7A471B #1F7A1B

square

#1B4E7A #771B7A #7A471B #1F7A1B

split-complementary

#1B4E7A #7A1B1F #7A771B

monochromatic

#061019 #102E48 #1B4E7A #266EAC #3C8DD4

Accessibility & contrast

On white

8.69

#1B4E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1B4E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E7A

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E7A	#FFFFFF	#000000	##FFFFFF
##1B4E7A	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507C

Deuteranopia (green-blind)

#2C4779

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b4e7a;
/* rgb */ color: rgb(27, 78, 122);
/* oklch */ color: oklch(41.3% 0.091 248.3);

Tailwind

colors: {
  custom: {
    50: '#667fa0',
    500: '#1b4e7a',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e7a;
$custom-light: #667fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e7a",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 122
  },
  "hsl": {
    "h": 207.789,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.41289,
    "c": 0.09127,
    "h": 248.3
  },
  "luminance": 0.07087
}

Semantic roles & 50–950 ramp

primary

#1B4E7A

secondary

#AE7443

accent

#8E41E7

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #1B4E7A

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

Preview Lab → · Contrast checker → · Palette generator →