#1B5086#1B5086

#1B5086 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.6% C 0.105 H 252.1°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B5086
RGB	rgb(27, 80, 134)
HSL	hsl(210, 66%, 32%)
HSV	hsv(210, 80%, 53%)
CMYK	cmyk(79.9%, 40.3%, 0%, 47.5%)
CIE-LAB	lab(33.33, 2.99, -35.14)
CIE-LCH	lch(33.33, 35.27, 274.86°)
OKLab	oklab(42.56% -0.0324 -0.1003)
OKLCH	oklch(42.56% 0.105 252.1)
XYZ	xyz(7.6221, 7.6907, 23.6324)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5086 #86511B

analogous

#1B8686 #1B5086 #1B1B86

triadic

#1B5086 #861B50 #50861B

tetradic

#1B5086 #861B86 #86511B #1B861B

square

#1B5086 #861B86 #86511B #1B861B

split-complementary

#1B5086 #861B1B #86861B

monochromatic

#061320 #113253 #1B5086 #256EB9 #428DD9

Accessibility & contrast

On white

8.27

#1B5086 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1B5086 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5086

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5086	#FFFFFF	#000000	##FFFFFF
##1B5086	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365488

Deuteranopia (green-blind)

#254A85

Tritanopia (blue-blind)

#005D64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5086;
/* rgb */ color: rgb(27, 80, 134);
/* oklch */ color: oklch(42.6% 0.105 252.1);

Tailwind

colors: {
  custom: {
    50: '#6980a9',
    500: '#1b5086',
    950: '#000000',
  },
}

SCSS

$custom: #1b5086;
$custom-light: #6980a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5086",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 134
  },
  "hsl": {
    "h": 210.28,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42556,
    "c": 0.10541,
    "h": 252.1
  },
  "luminance": 0.07692
}

Semantic roles & 50–950 ramp

primary

#1B5086

secondary

#B97F44

accent

#953EE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B5086

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

Preview Lab → · Contrast checker → · Palette generator →