#1B5287#1B5287

#1B5287 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.105 H 251.0°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B5287
RGB	rgb(27, 82, 135)
HSL	hsl(209, 67%, 32%)
HSV	hsv(209, 80%, 53%)
CMYK	cmyk(80%, 39.3%, 0%, 47.1%)
CIE-LAB	lab(34.02, 2.07, -34.66)
CIE-LCH	lch(34.02, 34.73, 273.42°)
OKLab	oklab(43.11% -0.034 -0.0989)
OKLCH	oklch(43.11% 0.105 251)
XYZ	xyz(7.8408, 8.0159, 24.0510)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5287 #87501B

analogous

#1B8786 #1B5287 #1B1C87

triadic

#1B5287 #871B52 #52871B

tetradic

#1B5287 #861B87 #87501B #1C871B

square

#1B5287 #861B87 #87501B #1C871B

split-complementary

#1B5287 #871B1C #87861B

monochromatic

#071421 #113354 #1B5287 #2571BA #4390D9

Accessibility & contrast

On white

8.07

#1B5287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1B5287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5287

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5287	#FFFFFF	#000000	##FFFFFF
##1B5287	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395589

Deuteranopia (green-blind)

#284B86

Tritanopia (blue-blind)

#005F66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5287;
/* rgb */ color: rgb(27, 82, 135);
/* oklch */ color: oklch(43.1% 0.105 251.0);

Tailwind

colors: {
  custom: {
    50: '#6982aa',
    500: '#1b5287',
    950: '#000000',
  },
}

SCSS

$custom: #1b5287;
$custom-light: #6982aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5287",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 135
  },
  "hsl": {
    "h": 209.444,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43111,
    "c": 0.10457,
    "h": 251
  },
  "luminance": 0.08017
}

Semantic roles & 50–950 ramp

primary

#1B5287

secondary

#BA7E44

accent

#923EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B5287

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

Preview Lab → · Contrast checker → · Palette generator →