#1B446C#1B446C

#1B446C is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.9% C 0.083 H 250.5°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B446C
RGB	rgb(27, 68, 108)
HSL	hsl(210, 60%, 26%)
HSV	hsv(210, 75%, 42%)
CMYK	cmyk(75%, 37%, 0%, 57.6%)
CIE-LAB	lab(27.98, 0.55, -27.38)
CIE-LCH	lch(27.98, 27.38, 271.16°)
OKLab	oklab(37.87% -0.0276 -0.0778)
OKLCH	oklch(37.87% 0.083 250.5)
XYZ	xyz(5.2249, 5.4494, 14.9609)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B446C #6C431B

analogous

#1B6C6C #1B446C #1B1B6C

triadic

#1B446C #6C1B44 #446C1B

tetradic

#1B446C #6C1B6C #6C431B #1B6C1B

square

#1B446C #6C1B6C #6C431B #1B6C1B

split-complementary

#1B446C #6C1B1B #6C6C1B

monochromatic

#060F18 #0F253B #1B446C #27639D #3582CC

Accessibility & contrast

On white

10.05

#1B446C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1B446C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B446C

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B446C	#FFFFFF	#000000	##FFFFFF
##1B446C	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32466E

Deuteranopia (green-blind)

#263F6B

Tritanopia (blue-blind)

#004D53

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b446c;
/* rgb */ color: rgb(27, 68, 108);
/* oklch */ color: oklch(37.9% 0.083 250.5);

Tailwind

colors: {
  custom: {
    50: '#637796',
    500: '#1b446c',
    950: '#000000',
  },
}

SCSS

$custom: #1b446c;
$custom-light: #637796;
$custom-dark: #000000;

JSON

{
  "hex": "#1b446c",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 108
  },
  "hsl": {
    "h": 209.63,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37871,
    "c": 0.08254,
    "h": 250.5
  },
  "luminance": 0.0545
}

Semantic roles & 50–950 ramp

primary

#1B446C

secondary

#A17142

accent

#9345E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B446C

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

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