#1B4C76#1B4C76

#1B4C76 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.088 H 248.0°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B4C76
RGB	rgb(27, 76, 118)
HSL	hsl(208, 63%, 28%)
HSV	hsv(208, 77%, 46%)
CMYK	cmyk(77.1%, 35.6%, 0%, 53.7%)
CIE-LAB	lab(31.14, -0.76, -28.70)
CIE-LCH	lch(31.14, 28.71, 268.47°)
OKLab	oklab(40.53% -0.033 -0.0815)
OKLCH	oklch(40.53% 0.088 248)
XYZ	xyz(6.3052, 6.7092, 18.0987)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4C76 #76451B

analogous

#1B7672 #1B4C76 #1B1E76

triadic

#1B4C76 #761B4C #4C761B

tetradic

#1B4C76 #721B76 #76451B #1E761B

square

#1B4C76 #721B76 #76451B #1E761B

split-complementary

#1B4C76 #761B1E #76721B

monochromatic

#061019 #102C44 #1B4C76 #266CA8 #3A8CD2

Accessibility & contrast

On white

8.97

#1B4C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1B4C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4C76

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4C76	#FFFFFF	#000000	##FFFFFF
##1B4C76	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394E78

Deuteranopia (green-blind)

#2C4575

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4c76;
/* rgb */ color: rgb(27, 76, 118);
/* oklch */ color: oklch(40.5% 0.088 248.0);

Tailwind

colors: {
  custom: {
    50: '#657d9e',
    500: '#1b4c76',
    950: '#000000',
  },
}

SCSS

$custom: #1b4c76;
$custom-light: #657d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4c76",
  "rgb": {
    "r": 27,
    "g": 76,
    "b": 118
  },
  "hsl": {
    "h": 207.692,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40535,
    "c": 0.08793,
    "h": 248
  },
  "luminance": 0.0671
}

Semantic roles & 50–950 ramp

primary

#1B4C76

secondary

#AA7242

accent

#8E42E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4C76

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

Preview Lab → · Contrast checker → · Palette generator →