#1B5487#1B5487

#1B5487 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.6% C 0.102 H 249.5°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B5487
RGB	rgb(27, 84, 135)
HSL	hsl(208, 67%, 32%)
HSV	hsv(208, 80%, 53%)
CMYK	cmyk(80%, 37.8%, 0%, 47.1%)
CIE-LAB	lab(34.64, 0.77, -33.67)
CIE-LCH	lch(34.64, 33.67, 271.31°)
OKLab	oklab(43.6% -0.0359 -0.0959)
OKLCH	oklch(43.6% 0.102 249.5)
XYZ	xyz(7.9938, 8.3220, 24.1020)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5487 #874E1B

analogous

#1B8784 #1B5487 #1B1E87

triadic

#1B5487 #871B54 #54871B

tetradic

#1B5487 #841B87 #874E1B #1E871B

square

#1B5487 #841B87 #874E1B #1E871B

split-complementary

#1B5487 #871B1E #87841B

monochromatic

#071521 #113454 #1B5487 #2574BA #4392D9

Accessibility & contrast

On white

7.88

#1B5487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1B5487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5487

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5487	#FFFFFF	#000000	##FFFFFF
##1B5487	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5789

Deuteranopia (green-blind)

#2C4D86

Tritanopia (blue-blind)

#006067

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5487;
/* rgb */ color: rgb(27, 84, 135);
/* oklch */ color: oklch(43.6% 0.102 249.5);

Tailwind

colors: {
  custom: {
    50: '#6983aa',
    500: '#1b5487',
    950: '#000000',
  },
}

SCSS

$custom: #1b5487;
$custom-light: #6983aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5487",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 135
  },
  "hsl": {
    "h": 208.333,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43604,
    "c": 0.10243,
    "h": 249.5
  },
  "luminance": 0.08323
}

Semantic roles & 50–950 ramp

primary

#1B5487

secondary

#BA7C44

accent

#8F3EEA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B5487

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

Preview Lab → · Contrast checker → · Palette generator →