#1B5887#1B5887

#1B5887 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.6% C 0.098 H 246.2°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1B5887
RGB	rgb(27, 88, 135)
HSL	hsl(206, 67%, 32%)
HSV	hsv(206, 80%, 53%)
CMYK	cmyk(80%, 34.8%, 0%, 47.1%)
CIE-LAB	lab(35.91, -1.80, -31.66)
CIE-LCH	lch(35.91, 31.72, 266.75°)
OKLab	oklab(44.6% -0.0398 -0.09)
OKLCH	oklch(44.6% 0.098 246.2)
XYZ	xyz(8.3132, 8.9607, 24.2084)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5887 #874A1B

analogous

#1B8780 #1B5887 #1B2287

triadic

#1B5887 #871B58 #58871B

tetradic

#1B5887 #801B87 #874A1B #22871B

square

#1B5887 #801B87 #874A1B #22871B

split-complementary

#1B5887 #871B22 #87801B

monochromatic

#071621 #113754 #1B5887 #2579BA #4398D9

Accessibility & contrast

On white

7.52

#1B5887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1B5887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5887

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5887	#FFFFFF	#000000	##FFFFFF
##1B5887	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425A89

Deuteranopia (green-blind)

#335086

Tritanopia (blue-blind)

#006369

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b5887;
/* rgb */ color: rgb(27, 88, 135);
/* oklch */ color: oklch(44.6% 0.098 246.2);

Tailwind

colors: {
  custom: {
    50: '#6986aa',
    500: '#1b5887',
    950: '#000000',
  },
}

SCSS

$custom: #1b5887;
$custom-light: #6986aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5887",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 135
  },
  "hsl": {
    "h": 206.111,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.44598,
    "c": 0.09839,
    "h": 246.2
  },
  "luminance": 0.08962
}

Semantic roles & 50–950 ramp

primary

#1B5887

secondary

#BA7744

accent

#893EEA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5887

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

Preview Lab → · Contrast checker → · Palette generator →