#1B4476#1B4476

#1B4476 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.5% C 0.097 H 255.1°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B4476
RGB	rgb(27, 68, 118)
HSL	hsl(213, 63%, 28%)
HSV	hsv(213, 77%, 46%)
CMYK	cmyk(77.1%, 42.4%, 0%, 53.7%)
CIE-LAB	lab(28.58, 4.57, -32.76)
CIE-LCH	lch(28.58, 33.08, 277.95°)
OKLab	oklab(38.53% -0.0249 -0.0935)
OKLCH	oklch(38.53% 0.097 255.1)
XYZ	xyz(5.7879, 5.6746, 17.9263)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4476 #764D1B

analogous

#1B7176 #1B4476 #1F1B76

triadic

#1B4476 #761B44 #44761B

tetradic

#1B4476 #761B71 #764D1B #1B761F

square

#1B4476 #761B71 #764D1B #1B761F

split-complementary

#1B4476 #761F1B #71761B

monochromatic

#060E19 #102744 #1B4476 #2661A8 #3A7ED2

Accessibility & contrast

On white

9.84

#1B4476 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1B4476 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4476

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4476	#FFFFFF	#000000	##FFFFFF
##1B4476	1.00	9.84	2.14	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4878

Deuteranopia (green-blind)

#1D4075

Tritanopia (blue-blind)

#005057

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b4476;
/* rgb */ color: rgb(27, 68, 118);
/* oklch */ color: oklch(38.5% 0.097 255.1);

Tailwind

colors: {
  custom: {
    50: '#65779e',
    500: '#1b4476',
    950: '#000000',
  },
}

SCSS

$custom: #1b4476;
$custom-light: #65779e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4476",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 118
  },
  "hsl": {
    "h": 212.967,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38532,
    "c": 0.0968,
    "h": 255.1
  },
  "luminance": 0.05675
}

Semantic roles & 50–950 ramp

primary

#1B4476

secondary

#AA7C42

accent

#9C42E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1B4476

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

Preview Lab → · Contrast checker → · Palette generator →