#1B5085#1B5085

#1B5085 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.104 H 251.7°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#1B5085
RGB	rgb(27, 80, 133)
HSL	hsl(210, 66%, 31%)
HSV	hsv(210, 80%, 52%)
CMYK	cmyk(79.7%, 39.8%, 0%, 47.8%)
CIE-LAB	lab(33.27, 2.59, -34.62)
CIE-LCH	lch(33.27, 34.72, 274.27°)
OKLab	oklab(42.49% -0.0327 -0.0988)
OKLCH	oklch(42.49% 0.104 251.7)
XYZ	xyz(7.5527, 7.6629, 23.2668)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5085 #85501B

analogous

#1B8585 #1B5085 #1B1B85

triadic

#1B5085 #851B50 #50851B

tetradic

#1B5085 #851B85 #85501B #1B851B

square

#1B5085 #851B85 #85501B #1B851B

split-complementary

#1B5085 #851B1B #85851B

monochromatic

#06131F #113152 #1B5085 #256FB8 #428DD9

Accessibility & contrast

On white

8.29

#1B5085 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1B5085 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5085

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5085	#FFFFFF	#000000	##FFFFFF
##1B5085	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375487

Deuteranopia (green-blind)

#264A84

Tritanopia (blue-blind)

#005D64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5085;
/* rgb */ color: rgb(27, 80, 133);
/* oklch */ color: oklch(42.5% 0.104 251.7);

Tailwind

colors: {
  custom: {
    50: '#6880a9',
    500: '#1b5085',
    950: '#000000',
  },
}

SCSS

$custom: #1b5085;
$custom-light: #6880a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5085",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 133
  },
  "hsl": {
    "h": 210,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.4249,
    "c": 0.10405,
    "h": 251.7
  },
  "luminance": 0.07664
}

Semantic roles & 50–950 ramp

primary

#1B5085

secondary

#B87E44

accent

#943FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B5085

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

Preview Lab → · Contrast checker → · Palette generator →