#1B1972#1B1972

#1B1972 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.2% C 0.146 H 273.6°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B1972
RGB	rgb(27, 25, 114)
HSL	hsl(241, 64%, 27%)
HSV	hsv(241, 78%, 45%)
CMYK	cmyk(76.3%, 78.1%, 0%, 55.3%)
CIE-LAB	lab(16.22, 32.63, -50.27)
CIE-LCH	lch(16.22, 59.93, 302.99°)
OKLab	oklab(29.17% 0.0091 -0.1454)
OKLCH	oklch(29.17% 0.146 273.6)
XYZ	xyz(3.8359, 2.1428, 16.1278)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1972 #707219

analogous

#194472 #1B1972 #471972

triadic

#1B1972 #721B19 #19721B

tetradic

#1B1972 #721944 #707219 #197247

square

#1B1972 #721944 #707219 #197247

split-complementary

#1B1972 #724719 #447219

monochromatic

#060619 #0F0E40 #1B1972 #2724A4 #3733D2

Accessibility & contrast

On white

14.70

#1B1972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1B1972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1972

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1972	#FFFFFF	#000000	##FFFFFF
##1B1972	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C75

Deuteranopia (green-blind)

#002470

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1b1972;
/* rgb */ color: rgb(27, 25, 114);
/* oklch */ color: oklch(29.2% 0.146 273.6);

Tailwind

colors: {
  custom: {
    50: '#67579c',
    500: '#1b1972',
    950: '#000000',
  },
}

SCSS

$custom: #1b1972;
$custom-light: #67579c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1972",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 114
  },
  "hsl": {
    "h": 241.348,
    "s": 64.029,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29172,
    "c": 0.14572,
    "h": 273.6
  },
  "luminance": 0.02143
}

Semantic roles & 50–950 ramp

primary

#1B1972

secondary

#A5A740

accent

#E741E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1B1972

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

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