#1B5986#1B5986

#1B5986 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.8% C 0.096 H 244.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B5986
RGB	rgb(27, 89, 134)
HSL	hsl(205, 66%, 32%)
HSV	hsv(205, 80%, 53%)
CMYK	cmyk(79.9%, 33.6%, 0%, 47.5%)
CIE-LAB	lab(36.17, -2.82, -30.64)
CIE-LCH	lch(36.17, 30.77, 264.74°)
OKLab	oklab(44.79% -0.0411 -0.087)
OKLCH	oklch(44.79% 0.096 244.7)
XYZ	xyz(8.3258, 9.0980, 23.8669)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5986 #86481B

analogous

#1B867E #1B5986 #1B2386

triadic

#1B5986 #861B59 #59861B

tetradic

#1B5986 #7E1B86 #86481B #23861B

square

#1B5986 #7E1B86 #86481B #23861B

split-complementary

#1B5986 #861B23 #867E1B

monochromatic

#061520 #113753 #1B5986 #257BB9 #429AD9

Accessibility & contrast

On white

7.45

#1B5986 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#1B5986 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5986

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5986	#FFFFFF	#000000	##FFFFFF
##1B5986	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445B88

Deuteranopia (green-blind)

#355185

Tritanopia (blue-blind)

#006469

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1b5986;
/* rgb */ color: rgb(27, 89, 134);
/* oklch */ color: oklch(44.8% 0.096 244.7);

Tailwind

colors: {
  custom: {
    50: '#6987a9',
    500: '#1b5986',
    950: '#000000',
  },
}

SCSS

$custom: #1b5986;
$custom-light: #6987a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5986",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 134
  },
  "hsl": {
    "h": 205.234,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.44788,
    "c": 0.09618,
    "h": 244.7
  },
  "luminance": 0.09099
}

Semantic roles & 50–950 ramp

primary

#1B5986

secondary

#B97544

accent

#863EE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5986

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

Preview Lab → · Contrast checker → · Palette generator →