#1B5285#1B5285

#1B5285 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.102 H 250.2°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B5285
RGB	rgb(27, 82, 133)
HSL	hsl(209, 66%, 31%)
HSV	hsv(209, 80%, 52%)
CMYK	cmyk(79.7%, 38.3%, 0%, 47.8%)
CIE-LAB	lab(33.90, 1.28, -33.62)
CIE-LCH	lch(33.90, 33.65, 272.17°)
OKLab	oklab(42.98% -0.0346 -0.0958)
OKLCH	oklch(42.98% 0.102 250.2)
XYZ	xyz(7.7013, 7.9601, 23.3163)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5285 #854E1B

analogous

#1B8583 #1B5285 #1B1D85

triadic

#1B5285 #851B52 #52851B

tetradic

#1B5285 #831B85 #854E1B #1D851B

square

#1B5285 #831B85 #854E1B #1D851B

split-complementary

#1B5285 #851B1D #85831B

monochromatic

#06131F #113352 #1B5285 #2571B8 #4290D9

Accessibility & contrast

On white

8.10

#1B5285 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1B5285 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5285

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5285	#FFFFFF	#000000	##FFFFFF
##1B5285	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5587

Deuteranopia (green-blind)

#2A4B84

Tritanopia (blue-blind)

#005E65

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5285;
/* rgb */ color: rgb(27, 82, 133);
/* oklch */ color: oklch(43.0% 0.102 250.2);

Tailwind

colors: {
  custom: {
    50: '#6882a9',
    500: '#1b5285',
    950: '#000000',
  },
}

SCSS

$custom: #1b5285;
$custom-light: #6882a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5285",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 133
  },
  "hsl": {
    "h": 208.868,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42982,
    "c": 0.10187,
    "h": 250.2
  },
  "luminance": 0.07961
}

Semantic roles & 50–950 ramp

primary

#1B5285

secondary

#B87C44

accent

#913FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B5285

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

Preview Lab → · Contrast checker → · Palette generator →