#1B4C8A#1B4C8A

#1B4C8A is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.9% C 0.116 H 256.1°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B4C8A
RGB	rgb(27, 76, 138)
HSL	hsl(214, 67%, 32%)
HSV	hsv(214, 80%, 54%)
CMYK	cmyk(80.4%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(32.34, 7.26, -39.18)
CIE-LCH	lch(32.34, 39.85, 280.50°)
OKLab	oklab(41.86% -0.0278 -0.1123)
OKLCH	oklch(41.86% 0.116 256.1)
XYZ	xyz(7.6222, 7.2360, 25.0348)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4C8A #8A591B

analogous

#1B838A #1B4C8A #221B8A

triadic

#1B4C8A #8A1B4C #4C8A1B

tetradic

#1B4C8A #8A1B83 #8A591B #1B8A22

square

#1B4C8A #8A1B83 #8A591B #1B8A22

split-complementary

#1B4C8A #8A221B #838A1B

monochromatic

#071424 #113057 #1B4C8A #2568BD #4587DB

Accessibility & contrast

On white

8.58

#1B4C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B4C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4C8A

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4C8A	#FFFFFF	#000000	##FFFFFF
##1B4C8A	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)

#2C518C

Deuteranopia (green-blind)

#164789

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b4c8a;
/* rgb */ color: rgb(27, 76, 138);
/* oklch */ color: oklch(41.9% 0.116 256.1);

Tailwind

colors: {
  custom: {
    50: '#6a7dac',
    500: '#1b4c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1b4c8a;
$custom-light: #6a7dac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4c8a",
  "rgb": {
    "r": 27,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 213.514,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41864,
    "c": 0.11566,
    "h": 256.1
  },
  "luminance": 0.07237
}

Semantic roles & 50–950 ramp

primary

#1B4C8A

secondary

#BC8745

accent

#9E3EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4C8A

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

Preview Lab → · Contrast checker → · Palette generator →