#1B2F62#1B2F62

#1B2F62 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.0% C 0.094 H 265.3°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F62
RGB	rgb(27, 47, 98)
HSL	hsl(223, 57%, 25%)
HSV	hsv(223, 72%, 38%)
CMYK	cmyk(72.4%, 52%, 0%, 61.6%)
CIE-LAB	lab(20.63, 11.17, -32.65)
CIE-LCH	lch(20.63, 34.51, 288.88°)
OKLab	oklab(31.97% -0.0076 -0.0936)
OKLCH	oklch(31.97% 0.094 265.3)
XYZ	xyz(3.6723, 3.1475, 11.9669)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F62 #624E1B

analogous

#1B5362 #1B2F62 #2B1B62

triadic

#1B2F62 #621B2F #2F621B

tetradic

#1B2F62 #621B53 #624E1B #1B622B

square

#1B2F62 #621B53 #624E1B #1B622B

split-complementary

#1B2F62 #622B1B #53621B

monochromatic

#070C18 #0E1832 #1B2F62 #284692 #355DC2

Accessibility & contrast

On white

12.89

#1B2F62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1B2F62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F62

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F62	#FFFFFF	#000000	##FFFFFF
##1B2F62	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133564

Deuteranopia (green-blind)

#022F61

Tritanopia (blue-blind)

#003B43

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b2f62;
/* rgb */ color: rgb(27, 47, 98);
/* oklch */ color: oklch(32.0% 0.094 265.3);

Tailwind

colors: {
  custom: {
    50: '#61678f',
    500: '#1b2f62',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f62;
$custom-light: #61678f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f62",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 98
  },
  "hsl": {
    "h": 223.099,
    "s": 56.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.31966,
    "c": 0.09394,
    "h": 265.3
  },
  "luminance": 0.03148
}

Semantic roles & 50–950 ramp

primary

#1B2F62

secondary

#987F41

accent

#B548E0

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1B2F62

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

Preview Lab → · Contrast checker → · Palette generator →