#1B5193#1B5193

#1B5193 is a dark, vivid cyan. Relative luminance 0.082; OKLCH L 43.7% C 0.122 H 255.7°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B5193
RGB	rgb(27, 81, 147)
HSL	hsl(213, 69%, 34%)
HSV	hsv(213, 82%, 58%)
CMYK	cmyk(81.6%, 44.9%, 0%, 42.4%)
CIE-LAB	lab(34.44, 7.55, -41.31)
CIE-LCH	lch(34.44, 41.99, 280.36°)
OKLab	oklab(43.68% -0.0303 -0.1184)
OKLCH	oklch(43.68% 0.122 255.7)
XYZ	xyz(8.6589, 8.2234, 28.7290)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5193 #935D1B

analogous

#1B8D93 #1B5193 #211B93

triadic

#1B5193 #931B51 #51931B

tetradic

#1B5193 #931B8D #935D1B #1B9321

square

#1B5193 #931B8D #935D1B #1B9321

split-complementary

#1B5193 #93211B #8D931B

monochromatic

#08182C #12355F #1B5193 #246DC7 #4B8DDE

Accessibility & contrast

On white

7.94

#1B5193 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1B5193 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5193

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5193	#FFFFFF	#000000	##FFFFFF
##1B5193	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5796

Deuteranopia (green-blind)

#174C92

Tritanopia (blue-blind)

#00616B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5193;
/* rgb */ color: rgb(27, 81, 147);
/* oklch */ color: oklch(43.7% 0.122 255.7);

Tailwind

colors: {
  custom: {
    50: '#6c81b3',
    500: '#1b5193',
    950: '#000000',
  },
}

SCSS

$custom: #1b5193;
$custom-light: #6c81b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5193",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 147
  },
  "hsl": {
    "h": 213,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43683,
    "c": 0.12221,
    "h": 255.7
  },
  "luminance": 0.08224
}

Semantic roles & 50–950 ramp

primary

#1B5193

secondary

#C08B4A

accent

#9D3CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B5193

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

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