#1B5D87#1B5D87

#1B5D87 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.9% C 0.094 H 241.6°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D87
RGB	rgb(27, 93, 135)
HSL	hsl(203, 67%, 32%)
HSV	hsv(203, 80%, 53%)
CMYK	cmyk(80%, 31.1%, 0%, 47.1%)
CIE-LAB	lab(37.50, -4.94, -29.16)
CIE-LCH	lch(37.50, 29.57, 260.39°)
OKLab	oklab(45.85% -0.0447 -0.0826)
OKLCH	oklch(45.85% 0.094 241.6)
XYZ	xyz(8.7378, 9.8099, 24.3500)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D87 #87451B

analogous

#1B877B #1B5D87 #1B2787

triadic

#1B5D87 #871B5D #5D871B

tetradic

#1B5D87 #7B1B87 #87451B #27871B

square

#1B5D87 #7B1B87 #87451B #27871B

split-complementary

#1B5D87 #871B27 #877B1B

monochromatic

#071721 #113A54 #1B5D87 #2580BA #439FD9

Accessibility & contrast

On white

7.09

#1B5D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1B5D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D87

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D87	#FFFFFF	#000000	##FFFFFF
##1B5D87	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)

#495E89

Deuteranopia (green-blind)

#3A5486

Tritanopia (blue-blind)

#00676C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b5d87;
/* rgb */ color: rgb(27, 93, 135);
/* oklch */ color: oklch(45.9% 0.094 241.6);

Tailwind

colors: {
  custom: {
    50: '#698aaa',
    500: '#1b5d87',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d87;
$custom-light: #698aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d87",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 135
  },
  "hsl": {
    "h": 203.333,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.45854,
    "c": 0.09392,
    "h": 241.6
  },
  "luminance": 0.09811
}

Semantic roles & 50–950 ramp

primary

#1B5D87

secondary

#BA7244

accent

#813EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5D87

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

Preview Lab → · Contrast checker → · Palette generator →