#1B4E87#1B4E87

#1B4E87 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.109 H 253.9°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E87
RGB	rgb(27, 78, 135)
HSL	hsl(212, 67%, 32%)
HSV	hsv(212, 80%, 53%)
CMYK	cmyk(80%, 42.2%, 0%, 47.1%)
CIE-LAB	lab(32.77, 4.71, -36.65)
CIE-LCH	lch(32.77, 36.96, 277.33°)
OKLab	oklab(42.14% -0.0303 -0.1048)
OKLCH	oklch(42.14% 0.109 253.9)
XYZ	xyz(7.5479, 7.4302, 23.9533)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E87 #87541B

analogous

#1B8487 #1B4E87 #1E1B87

triadic

#1B4E87 #871B4E #4E871B

tetradic

#1B4E87 #871B84 #87541B #1B871E

square

#1B4E87 #871B84 #87541B #1B871E

split-complementary

#1B4E87 #871E1B #84871B

monochromatic

#071321 #113154 #1B4E87 #256BBA #438AD9

Accessibility & contrast

On white

8.45

#1B4E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1B4E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E87

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E87	#FFFFFF	#000000	##FFFFFF
##1B4E87	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325289

Deuteranopia (green-blind)

#204986

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b4e87;
/* rgb */ color: rgb(27, 78, 135);
/* oklch */ color: oklch(42.1% 0.109 253.9);

Tailwind

colors: {
  custom: {
    50: '#697faa',
    500: '#1b4e87',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e87;
$custom-light: #697faa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e87",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 135
  },
  "hsl": {
    "h": 211.667,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.42136,
    "c": 0.10908,
    "h": 253.9
  },
  "luminance": 0.07431
}

Semantic roles & 50–950 ramp

primary

#1B4E87

secondary

#BA8244

accent

#993EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B4E87

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

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