#1B1976#1B1976

#1B1976 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.151 H 273.1°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B1976
RGB	rgb(27, 25, 118)
HSL	hsl(241, 65%, 28%)
HSV	hsv(241, 79%, 46%)
CMYK	cmyk(77.1%, 78.8%, 0%, 53.7%)
CIE-LAB	lab(16.68, 34.05, -52.09)
CIE-LCH	lch(16.68, 62.23, 303.17°)
OKLab	oklab(29.63% 0.0083 -0.1507)
OKLCH	oklch(29.63% 0.151 273.1)
XYZ	xyz(4.0685, 2.2359, 17.3532)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1976 #747619

analogous

#194576 #1B1976 #491976

triadic

#1B1976 #761B19 #19761B

tetradic

#1B1976 #761945 #747619 #197649

square

#1B1976 #761945 #747619 #197649

split-complementary

#1B1976 #764919 #457619

monochromatic

#060519 #0F0E43 #1B1976 #2724A8 #3935D4

Accessibility & contrast

On white

14.51

#1B1976 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1B1976 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1976

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1976	#FFFFFF	#000000	##FFFFFF
##1B1976	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E79

Deuteranopia (green-blind)

#002574

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1b1976;
/* rgb */ color: rgb(27, 25, 118);
/* oklch */ color: oklch(29.6% 0.151 273.1);

Tailwind

colors: {
  custom: {
    50: '#68579f',
    500: '#1b1976',
    950: '#000000',
  },
}

SCSS

$custom: #1b1976;
$custom-light: #68579f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1976",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 118
  },
  "hsl": {
    "h": 241.29,
    "s": 65.035,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29633,
    "c": 0.15096,
    "h": 273.1
  },
  "luminance": 0.02236
}

Semantic roles & 50–950 ramp

primary

#1B1976

secondary

#A9AB40

accent

#E840E4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1B1976

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

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