#1B3262#1B3262

#1B3262 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.7% C 0.090 H 263.1°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B3262
RGB	rgb(27, 50, 98)
HSL	hsl(221, 57%, 25%)
HSV	hsv(221, 72%, 38%)
CMYK	cmyk(72.4%, 49%, 0%, 61.6%)
CIE-LAB	lab(21.56, 9.00, -31.15)
CIE-LCH	lch(21.56, 32.42, 286.12°)
OKLab	oklab(32.68% -0.0108 -0.0891)
OKLCH	oklch(32.68% 0.09 263.1)
XYZ	xyz(3.7964, 3.3957, 12.0083)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3262 #624B1B

analogous

#1B5662 #1B3262 #271B62

triadic

#1B3262 #621B32 #32621B

tetradic

#1B3262 #621B56 #624B1B #1B6227

square

#1B3262 #621B56 #624B1B #1B6227

split-complementary

#1B3262 #62271B #56621B

monochromatic

#070C18 #0E1A32 #1B3262 #284A92 #3563C2

Accessibility & contrast

On white

12.51

#1B3262 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1B3262 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3262

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3262	#FFFFFF	#000000	##FFFFFF
##1B3262	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3764

Deuteranopia (green-blind)

#0C3161

Tritanopia (blue-blind)

#003D45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1b3262;
/* rgb */ color: rgb(27, 50, 98);
/* oklch */ color: oklch(32.7% 0.090 263.1);

Tailwind

colors: {
  custom: {
    50: '#61698f',
    500: '#1b3262',
    950: '#000000',
  },
}

SCSS

$custom: #1b3262;
$custom-light: #61698f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3262",
  "rgb": {
    "r": 27,
    "g": 50,
    "b": 98
  },
  "hsl": {
    "h": 220.563,
    "s": 56.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.32684,
    "c": 0.08979,
    "h": 263.1
  },
  "luminance": 0.03396
}

Semantic roles & 50–950 ramp

primary

#1B3262

secondary

#987C41

accent

#AF48E0

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1B3262

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

Preview Lab → · Contrast checker → · Palette generator →