#1B0FB2#1B0FB2

#1B0FB2 is a dark, highly saturated blue. Relative luminance 0.038; OKLCH L 36.2% C 0.228 H 268.9°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B0FB2
RGB	rgb(27, 15, 178)
HSL	hsl(244, 84%, 38%)
HSV	hsv(244, 92%, 70%)
CMYK	cmyk(84.8%, 91.6%, 0%, 30.2%)
CIE-LAB	lab(22.96, 57.03, -78.86)
CIE-LCH	lch(22.96, 97.33, 305.87°)
OKLab	oklab(36.15% -0.0042 -0.228)
OKLCH	oklch(36.15% 0.228 268.9)
XYZ	xyz(8.6560, 3.7880, 42.3858)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0FB2 #A6B20F

analogous

#0F55B2 #1B0FB2 #6C0FB2

triadic

#1B0FB2 #B21B0F #0FB21B

tetradic

#1B0FB2 #B20F55 #A6B20F #0FB26C

square

#1B0FB2 #B20F55 #A6B20F #0FB26C

split-complementary

#1B0FB2 #B26C0F #55B20F

monochromatic

#0A0541 #120A7A #1B0FB2 #2414EA #584CF0

Accessibility & contrast

On white

11.95

#1B0FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1B0FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0FB2

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0FB2	#FFFFFF	#000000	##FFFFFF
##1B0FB2	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FB6

Deuteranopia (green-blind)

#002EB0

Tritanopia (blue-blind)

#004A68

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b0fb2;
/* rgb */ color: rgb(27, 15, 178);
/* oklch */ color: oklch(36.2% 0.228 268.9);

Tailwind

colors: {
  custom: {
    50: '#7958cb',
    500: '#1b0fb2',
    950: '#000000',
  },
}

SCSS

$custom: #1b0fb2;
$custom-light: #7958cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0fb2",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 178
  },
  "hsl": {
    "h": 244.417,
    "s": 84.456,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36154,
    "c": 0.22804,
    "h": 268.9
  },
  "luminance": 0.03789
}

Semantic roles & 50–950 ramp

primary

#1B0FB2

secondary

#C7D14C

accent

#FB2DEC

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #1B0FB2

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

Preview Lab → · Contrast checker → · Palette generator →