#1B2C82#1B2C82

#1B2C82 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.145 H 268.5°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B2C82
RGB	rgb(27, 44, 130)
HSL	hsl(230, 66%, 31%)
HSV	hsv(230, 79%, 51%)
CMYK	cmyk(79.2%, 66.2%, 0%, 49%)
CIE-LAB	lab(22.46, 26.19, -50.21)
CIE-LCH	lch(22.46, 56.63, 297.55°)
OKLab	oklab(34.19% -0.0038 -0.1452)
OKLCH	oklch(34.19% 0.145 268.5)
XYZ	xyz(5.3805, 3.6455, 21.5348)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2C82 #82711B

analogous

#1B5F82 #1B2C82 #3D1B82

triadic

#1B2C82 #821B2C #2C821B

tetradic

#1B2C82 #821B5F #82711B #1B823D

square

#1B2C82 #821B5F #82711B #1B823D

split-complementary

#1B2C82 #823D1B #5F821B

monochromatic

#060A1D #101B4F #1B2C82 #263DB5 #4059D7

Accessibility & contrast

On white

12.14

#1B2C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1B2C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2C82

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2C82	#FFFFFF	#000000	##FFFFFF
##1B2C82	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B85

Deuteranopia (green-blind)

#003180

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1b2c82;
/* rgb */ color: rgb(27, 44, 130);
/* oklch */ color: oklch(34.2% 0.145 268.5);

Tailwind

colors: {
  custom: {
    50: '#6965a7',
    500: '#1b2c82',
    950: '#000000',
  },
}

SCSS

$custom: #1b2c82;
$custom-light: #6965a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2c82",
  "rgb": {
    "r": 27,
    "g": 44,
    "b": 130
  },
  "hsl": {
    "h": 230.097,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34186,
    "c": 0.1453,
    "h": 268.5
  },
  "luminance": 0.03646
}

Semantic roles & 50–950 ramp

primary

#1B2C82

secondary

#B6A343

accent

#CD3FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070510

muted

#7A7A7F

Preview Lab

Preview with #1B2C82

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

Preview Lab → · Contrast checker → · Palette generator →