#1B5396#1B5396

#1B5396 is a dark, vivid cyan. Relative luminance 0.086; OKLCH L 44.4% C 0.124 H 255.4°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B5396
RGB	rgb(27, 83, 150)
HSL	hsl(213, 69%, 35%)
HSV	hsv(213, 82%, 59%)
CMYK	cmyk(82%, 44.7%, 0%, 41.2%)
CIE-LAB	lab(35.24, 7.43, -41.84)
CIE-LCH	lch(35.24, 42.50, 280.07°)
OKLab	oklab(44.37% -0.0313 -0.1199)
OKLCH	oklch(44.37% 0.124 255.4)
XYZ	xyz(9.0482, 8.6204, 30.0353)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5396 #965E1B

analogous

#1B9196 #1B5396 #201B96

triadic

#1B5396 #961B53 #53961B

tetradic

#1B5396 #961B91 #965E1B #1B9620

square

#1B5396 #961B91 #965E1B #1B9620

split-complementary

#1B5396 #96201B #91961B

monochromatic

#081A2E #123662 #1B5396 #2470CA #4D8FDF

Accessibility & contrast

On white

7.71

#1B5396 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1B5396 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5396

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5396	#FFFFFF	#000000	##FFFFFF
##1B5396	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315999

Deuteranopia (green-blind)

#184E95

Tritanopia (blue-blind)

#00636D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b5396;
/* rgb */ color: rgb(27, 83, 150);
/* oklch */ color: oklch(44.4% 0.124 255.4);

Tailwind

colors: {
  custom: {
    50: '#6c82b5',
    500: '#1b5396',
    950: '#000000',
  },
}

SCSS

$custom: #1b5396;
$custom-light: #6c82b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5396",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 150
  },
  "hsl": {
    "h": 212.683,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.44365,
    "c": 0.12396,
    "h": 255.4
  },
  "luminance": 0.08622
}

Semantic roles & 50–950 ramp

primary

#1B5396

secondary

#C18C4C

accent

#9C3BEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B5396

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

Preview Lab → · Contrast checker → · Palette generator →