#1B416F#1B416F

#1B416F is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.3% C 0.090 H 254.8°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#1B416F
RGB	rgb(27, 65, 111)
HSL	hsl(213, 61%, 27%)
HSV	hsv(213, 76%, 44%)
CMYK	cmyk(75.7%, 41.4%, 0%, 56.5%)
CIE-LAB	lab(27.19, 3.79, -30.54)
CIE-LCH	lch(27.19, 30.78, 277.07°)
OKLab	oklab(37.31% -0.0236 -0.0871)
OKLCH	oklch(37.31% 0.09 254.8)
XYZ	xyz(5.2105, 5.1607, 15.7574)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B416F #6F491B

analogous

#1B6B6F #1B416F #1F1B6F

triadic

#1B416F #6F1B41 #416F1B

tetradic

#1B416F #6F1B6B #6F491B #1B6F1F

square

#1B416F #6F1B6B #6F491B #1B6F1F

split-complementary

#1B416F #6F1F1B #6B6F1B

monochromatic

#060E19 #0F243E #1B416F #275EA0 #367BCE

Accessibility & contrast

On white

10.33

#1B416F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1B416F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B416F

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B416F	#FFFFFF	#000000	##FFFFFF
##1B416F	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4471

Deuteranopia (green-blind)

#1E3D6E

Tritanopia (blue-blind)

#004C52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1b416f;
/* rgb */ color: rgb(27, 65, 111);
/* oklch */ color: oklch(37.3% 0.090 254.8);

Tailwind

colors: {
  custom: {
    50: '#637598',
    500: '#1b416f',
    950: '#000000',
  },
}

SCSS

$custom: #1b416f;
$custom-light: #637598;
$custom-dark: #000000;

JSON

{
  "hex": "#1b416f",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 111
  },
  "hsl": {
    "h": 212.857,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37311,
    "c": 0.09023,
    "h": 254.8
  },
  "luminance": 0.05161
}

Semantic roles & 50–950 ramp

primary

#1B416F

secondary

#A47842

accent

#9C44E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1B416F

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

Preview Lab → · Contrast checker → · Palette generator →