#1B4A89#1B4A89

#1B4A89 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.3% C 0.117 H 257.0°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B4A89
RGB	rgb(27, 74, 137)
HSL	hsl(214, 67%, 32%)
HSV	hsv(214, 80%, 54%)
CMYK	cmyk(80.3%, 46%, 0%, 46.3%)
CIE-LAB	lab(31.66, 8.21, -39.66)
CIE-LCH	lch(31.66, 40.50, 281.69°)
OKLab	oklab(41.32% -0.0262 -0.1137)
OKLCH	oklch(41.32% 0.117 257)
XYZ	xyz(7.4145, 6.9358, 24.6100)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4A89 #895A1B

analogous

#1B8189 #1B4A89 #231B89

triadic

#1B4A89 #891B4A #4A891B

tetradic

#1B4A89 #891B81 #895A1B #1B8923

square

#1B4A89 #891B81 #895A1B #1B8923

split-complementary

#1B4A89 #89231B #81891B

monochromatic

#071323 #112E56 #1B4A89 #2566BC #4484DA

Accessibility & contrast

On white

8.80

#1B4A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1B4A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A89

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4A89	#FFFFFF	#000000	##FFFFFF
##1B4A89	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29508B

Deuteranopia (green-blind)

#124688

Tritanopia (blue-blind)

#005962

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4a89;
/* rgb */ color: rgb(27, 74, 137);
/* oklch */ color: oklch(41.3% 0.117 257.0);

Tailwind

colors: {
  custom: {
    50: '#697cac',
    500: '#1b4a89',
    950: '#000000',
  },
}

SCSS

$custom: #1b4a89;
$custom-light: #697cac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4a89",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 137
  },
  "hsl": {
    "h": 214.364,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41318,
    "c": 0.11669,
    "h": 257
  },
  "luminance": 0.06937
}

Semantic roles & 50–950 ramp

primary

#1B4A89

secondary

#BC8944

accent

#A03EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4A89

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

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