#1B4472#1B4472

#1B4472 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.3% C 0.091 H 253.5°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1B4472
RGB	rgb(27, 68, 114)
HSL	hsl(212, 62%, 28%)
HSV	hsv(212, 76%, 45%)
CMYK	cmyk(76.3%, 40.4%, 0%, 55.3%)
CIE-LAB	lab(28.33, 2.96, -30.63)
CIE-LCH	lch(28.33, 30.77, 275.52°)
OKLab	oklab(38.26% -0.0259 -0.0873)
OKLCH	oklch(38.26% 0.091 253.5)
XYZ	xyz(5.5553, 5.5815, 16.7009)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4472 #72491B

analogous

#1B6F72 #1B4472 #1D1B72

triadic

#1B4472 #721B44 #44721B

tetradic

#1B4472 #721B6F #72491B #1B721D

square

#1B4472 #721B6F #72491B #1B721D

split-complementary

#1B4472 #721D1B #6F721B

monochromatic

#060F19 #0F2641 #1B4472 #2762A3 #387FD0

Accessibility & contrast

On white

9.92

#1B4472 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1B4472 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4472

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4472	#FFFFFF	#000000	##FFFFFF
##1B4472	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4774

Deuteranopia (green-blind)

#213F71

Tritanopia (blue-blind)

#004F55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b4472;
/* rgb */ color: rgb(27, 68, 114);
/* oklch */ color: oklch(38.3% 0.091 253.5);

Tailwind

colors: {
  custom: {
    50: '#64779b',
    500: '#1b4472',
    950: '#000000',
  },
}

SCSS

$custom: #1b4472;
$custom-light: #64779b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4472",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 114
  },
  "hsl": {
    "h": 211.724,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.38262,
    "c": 0.09105,
    "h": 253.5
  },
  "luminance": 0.05582
}

Semantic roles & 50–950 ramp

primary

#1B4472

secondary

#A77742

accent

#9943E5

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1B4472

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

Preview Lab → · Contrast checker → · Palette generator →