#1B5C8D#1B5C8D

#1B5C8D is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.0% C 0.102 H 245.9°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C8D
RGB	rgb(27, 92, 141)
HSL	hsl(206, 68%, 33%)
HSV	hsv(206, 81%, 55%)
CMYK	cmyk(80.9%, 34.8%, 0%, 44.7%)
CIE-LAB	lab(37.50, -1.98, -32.80)
CIE-LCH	lch(37.50, 32.86, 266.54°)
OKLab	oklab(45.96% -0.0418 -0.0933)
OKLCH	oklch(45.96% 0.102 245.9)
XYZ	xyz(9.0850, 9.8093, 26.6087)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C8D #8D4C1B

analogous

#1B8D85 #1B5C8D #1B238D

triadic

#1B5C8D #8D1B5C #5C8D1B

tetradic

#1B5C8D #851B8D #8D4C1B #238D1B

square

#1B5C8D #851B8D #8D4C1B #238D1B

split-complementary

#1B5C8D #8D1B23 #8D851B

monochromatic

#071926 #113A5A #1B5C8D #257EC0 #479CDC

Accessibility & contrast

On white

7.09

#1B5C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1B5C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C8D

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C8D	#FFFFFF	#000000	##FFFFFF
##1B5C8D	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455E8F

Deuteranopia (green-blind)

#35548C

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b5c8d;
/* rgb */ color: rgb(27, 92, 141);
/* oklch */ color: oklch(46.0% 0.102 245.9);

Tailwind

colors: {
  custom: {
    50: '#6a89ae',
    500: '#1b5c8d',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c8d;
$custom-light: #6a89ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c8d",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 141
  },
  "hsl": {
    "h": 205.789,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.45957,
    "c": 0.1022,
    "h": 245.9
  },
  "luminance": 0.0981
}

Semantic roles & 50–950 ramp

primary

#1B5C8D

secondary

#BD7A46

accent

#883DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1B5C8D

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

Preview Lab → · Contrast checker → · Palette generator →