#1B5079#1B5079

#1B5079 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.7% C 0.088 H 245.7°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B5079
RGB	rgb(27, 80, 121)
HSL	hsl(206, 64%, 29%)
HSV	hsv(206, 78%, 47%)
CMYK	cmyk(77.7%, 33.9%, 0%, 52.5%)
CIE-LAB	lab(32.59, -2.18, -28.27)
CIE-LCH	lch(32.59, 28.36, 265.60°)
OKLab	oklab(41.73% -0.0362 -0.0802)
OKLCH	oklch(41.73% 0.088 245.7)
XYZ	xyz(6.7705, 7.3500, 19.1473)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5079 #79441B

analogous

#1B7973 #1B5079 #1B2179

triadic

#1B5079 #791B50 #50791B

tetradic

#1B5079 #731B79 #79441B #21791B

square

#1B5079 #731B79 #79441B #21791B

split-complementary

#1B5079 #791B21 #79731B

monochromatic

#061119 #102F47 #1B5079 #2671AB #3B91D3

Accessibility & contrast

On white

8.50

#1B5079 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1B5079 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5079

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5079	#FFFFFF	#000000	##FFFFFF
##1B5079	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D517B

Deuteranopia (green-blind)

#304978

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b5079;
/* rgb */ color: rgb(27, 80, 121);
/* oklch */ color: oklch(41.7% 0.088 245.7);

Tailwind

colors: {
  custom: {
    50: '#6680a0',
    500: '#1b5079',
    950: '#000000',
  },
}

SCSS

$custom: #1b5079;
$custom-light: #6680a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5079",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 121
  },
  "hsl": {
    "h": 206.17,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.41734,
    "c": 0.08798,
    "h": 245.7
  },
  "luminance": 0.07351
}

Semantic roles & 50–950 ramp

primary

#1B5079

secondary

#AD7143

accent

#8941E7

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1B5079

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

Preview Lab → · Contrast checker → · Palette generator →