#1B4D87#1B4D87

#1B4D87 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.9% C 0.110 H 254.5°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B4D87
RGB	rgb(27, 77, 135)
HSL	hsl(212, 67%, 32%)
HSV	hsv(212, 80%, 53%)
CMYK	cmyk(80%, 43%, 0%, 47.1%)
CIE-LAB	lab(32.46, 5.38, -37.15)
CIE-LCH	lch(32.46, 37.54, 278.24°)
OKLab	oklab(41.89% -0.0294 -0.1063)
OKLCH	oklch(41.89% 0.11 254.5)
XYZ	xyz(7.4774, 7.2892, 23.9298)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4D87 #87551B

analogous

#1B8387 #1B4D87 #1F1B87

triadic

#1B4D87 #871B4D #4D871B

tetradic

#1B4D87 #871B83 #87551B #1B871F

square

#1B4D87 #871B83 #87551B #1B871F

split-complementary

#1B4D87 #871F1B #83871B

monochromatic

#071321 #113054 #1B4D87 #256ABA #4389D9

Accessibility & contrast

On white

8.54

#1B4D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1B4D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4D87

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4D87	#FFFFFF	#000000	##FFFFFF
##1B4D87	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315289

Deuteranopia (green-blind)

#1E4886

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b4d87;
/* rgb */ color: rgb(27, 77, 135);
/* oklch */ color: oklch(41.9% 0.110 254.5);

Tailwind

colors: {
  custom: {
    50: '#697eaa',
    500: '#1b4d87',
    950: '#000000',
  },
}

SCSS

$custom: #1b4d87;
$custom-light: #697eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4d87",
  "rgb": {
    "r": 27,
    "g": 77,
    "b": 135
  },
  "hsl": {
    "h": 212.222,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41894,
    "c": 0.11026,
    "h": 254.5
  },
  "luminance": 0.0729
}

Semantic roles & 50–950 ramp

primary

#1B4D87

secondary

#BA8344

accent

#9A3EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4D87

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

Preview Lab → · Contrast checker → · Palette generator →