#1B4985#1B4985

#1B4985 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.8% C 0.112 H 256.5°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B4985
RGB	rgb(27, 73, 133)
HSL	hsl(214, 66%, 31%)
HSV	hsv(214, 80%, 52%)
CMYK	cmyk(79.7%, 45.1%, 0%, 47.8%)
CIE-LAB	lab(31.09, 7.26, -38.10)
CIE-LCH	lch(31.09, 38.78, 280.79°)
OKLab	oklab(40.79% -0.0262 -0.1091)
OKLCH	oklch(40.79% 0.112 256.5)
XYZ	xyz(7.0666, 6.6907, 23.1048)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4985 #85571B

analogous

#1B7E85 #1B4985 #221B85

triadic

#1B4985 #851B49 #49851B

tetradic

#1B4985 #851B7E #85571B #1B8522

square

#1B4985 #851B7E #85571B #1B8522

split-complementary

#1B4985 #85221B #7E851B

monochromatic

#06111F #112D52 #1B4985 #2565B8 #4283D9

Accessibility & contrast

On white

8.98

#1B4985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1B4985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4985

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4985	#FFFFFF	#000000	##FFFFFF
##1B4985	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4E87

Deuteranopia (green-blind)

#164584

Tritanopia (blue-blind)

#005760

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4985;
/* rgb */ color: rgb(27, 73, 133);
/* oklch */ color: oklch(40.8% 0.112 256.5);

Tailwind

colors: {
  custom: {
    50: '#687ba9',
    500: '#1b4985',
    950: '#000000',
  },
}

SCSS

$custom: #1b4985;
$custom-light: #687ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4985",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 133
  },
  "hsl": {
    "h": 213.962,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40794,
    "c": 0.11224,
    "h": 256.5
  },
  "luminance": 0.06692
}

Semantic roles & 50–950 ramp

primary

#1B4985

secondary

#B88644

accent

#9F3FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4985

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

Preview Lab → · Contrast checker → · Palette generator →