#1B4A87#1B4A87

#1B4A87 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.2% C 0.114 H 256.5°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B4A87
RGB	rgb(27, 74, 135)
HSL	hsl(214, 67%, 32%)
HSV	hsv(214, 80%, 53%)
CMYK	cmyk(80%, 45.2%, 0%, 47.1%)
CIE-LAB	lab(31.53, 7.40, -38.63)
CIE-LCH	lch(31.53, 39.33, 280.84°)
OKLab	oklab(41.18% -0.0267 -0.1107)
OKLCH	oklch(41.18% 0.114 256.5)
XYZ	xyz(7.2723, 6.8790, 23.8615)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4A87 #87581B

analogous

#1B8087 #1B4A87 #221B87

triadic

#1B4A87 #871B4A #4A871B

tetradic

#1B4A87 #871B80 #87581B #1B8722

square

#1B4A87 #871B80 #87581B #1B8722

split-complementary

#1B4A87 #87221B #80871B

monochromatic

#071221 #112E54 #1B4A87 #2566BA #4384D9

Accessibility & contrast

On white

8.84

#1B4A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1B4A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A87

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4A87	#FFFFFF	#000000	##FFFFFF
##1B4A87	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4F89

Deuteranopia (green-blind)

#154686

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4a87;
/* rgb */ color: rgb(27, 74, 135);
/* oklch */ color: oklch(41.2% 0.114 256.5);

Tailwind

colors: {
  custom: {
    50: '#697caa',
    500: '#1b4a87',
    950: '#000000',
  },
}

SCSS

$custom: #1b4a87;
$custom-light: #697caa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4a87",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 135
  },
  "hsl": {
    "h": 213.889,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41175,
    "c": 0.11386,
    "h": 256.5
  },
  "luminance": 0.0688
}

Semantic roles & 50–950 ramp

primary

#1B4A87

secondary

#BA8744

accent

#9F3EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4A87

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

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