#1B446E#1B446E

#1B446E is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.0% C 0.085 H 251.5°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#1B446E
RGB	rgb(27, 68, 110)
HSL	hsl(210, 61%, 27%)
HSV	hsv(210, 75%, 43%)
CMYK	cmyk(75.5%, 38.2%, 0%, 56.9%)
CIE-LAB	lab(28.09, 1.35, -28.47)
CIE-LCH	lch(28.09, 28.50, 272.72°)
OKLab	oklab(38% -0.027 -0.081)
OKLCH	oklch(38% 0.085 251.5)
XYZ	xyz(5.3325, 5.4925, 15.5279)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B446E #6E451B

analogous

#1B6E6E #1B446E #1B1B6E

triadic

#1B446E #6E1B44 #446E1B

tetradic

#1B446E #6E1B6E #6E451B #1B6E1B

square

#1B446E #6E1B6E #6E451B #1B6E1B

split-complementary

#1B446E #6E1B1B #6E6E1B

monochromatic

#060F19 #0F263D #1B446E #27629F #3681CE

Accessibility & contrast

On white

10.01

#1B446E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1B446E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B446E

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B446E	#FFFFFF	#000000	##FFFFFF
##1B446E	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314770

Deuteranopia (green-blind)

#253F6D

Tritanopia (blue-blind)

#004E53

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b446e;
/* rgb */ color: rgb(27, 68, 110);
/* oklch */ color: oklch(38.0% 0.085 251.5);

Tailwind

colors: {
  custom: {
    50: '#637798',
    500: '#1b446e',
    950: '#000000',
  },
}

SCSS

$custom: #1b446e;
$custom-light: #637798;
$custom-dark: #000000;

JSON

{
  "hex": "#1b446e",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 110
  },
  "hsl": {
    "h": 210.361,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.37999,
    "c": 0.08536,
    "h": 251.5
  },
  "luminance": 0.05493
}

Semantic roles & 50–950 ramp

primary

#1B446E

secondary

#A37342

accent

#9544E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B446E

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

Preview Lab → · Contrast checker → · Palette generator →