#1B4F76#1B4F76

#1B4F76 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.085 H 244.9°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B4F76
RGB	rgb(27, 79, 118)
HSL	hsl(206, 63%, 28%)
HSV	hsv(206, 77%, 46%)
CMYK	cmyk(77.1%, 33.1%, 0%, 53.7%)
CIE-LAB	lab(32.11, -2.71, -27.17)
CIE-LCH	lch(32.11, 27.30, 264.31°)
OKLab	oklab(41.3% -0.0361 -0.077)
OKLCH	oklch(41.3% 0.085 244.9)
XYZ	xyz(6.5167, 7.1322, 18.1692)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4F76 #76421B

analogous

#1B766F #1B4F76 #1B2176

triadic

#1B4F76 #761B4F #4F761B

tetradic

#1B4F76 #6F1B76 #76421B #21761B

square

#1B4F76 #6F1B76 #76421B #21761B

split-complementary

#1B4F76 #761B21 #766F1B

monochromatic

#061119 #102E44 #1B4F76 #2670A8 #3A91D2

Accessibility & contrast

On white

8.65

#1B4F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1B4F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4F76

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4F76	#FFFFFF	#000000	##FFFFFF
##1B4F76	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5078

Deuteranopia (green-blind)

#304875

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b4f76;
/* rgb */ color: rgb(27, 79, 118);
/* oklch */ color: oklch(41.3% 0.085 244.9);

Tailwind

colors: {
  custom: {
    50: '#65809d',
    500: '#1b4f76',
    950: '#000000',
  },
}

SCSS

$custom: #1b4f76;
$custom-light: #65809d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4f76",
  "rgb": {
    "r": 27,
    "g": 79,
    "b": 118
  },
  "hsl": {
    "h": 205.714,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41299,
    "c": 0.08504,
    "h": 244.9
  },
  "luminance": 0.07133
}

Semantic roles & 50–950 ramp

primary

#1B4F76

secondary

#AA6F42

accent

#8842E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1B4F76

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

Preview Lab → · Contrast checker → · Palette generator →