#1B0F7E#1B0F7E

#1B0F7E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.169 H 273.3°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F7E
RGB	rgb(27, 15, 126)
HSL	hsl(246, 79%, 28%)
HSV	hsv(246, 88%, 49%)
CMYK	cmyk(78.6%, 88.1%, 0%, 50.6%)
CIE-LAB	lab(15.90, 41.84, -58.50)
CIE-LCH	lch(15.90, 71.92, 305.57°)
OKLab	oklab(29.38% 0.0097 -0.1691)
OKLCH	oklch(29.38% 0.169 273.3)
XYZ	xyz(4.3875, 2.0806, 19.9050)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F7E #727E0F

analogous

#0F3B7E #1B0F7E #520F7E

triadic

#1B0F7E #7E1B0F #0F7E1B

tetradic

#1B0F7E #7E0F3B #727E0F #0F7E52

square

#1B0F7E #7E0F3B #727E0F #0F7E52

split-complementary

#1B0F7E #7E520F #3B7E0F

monochromatic

#06031B #0F0847 #1B0F7E #2716B5 #3823E5

Accessibility & contrast

On white

14.83

#1B0F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1B0F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F7E

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F7E	#FFFFFF	#000000	##FFFFFF
##1B0F7E	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D81

Deuteranopia (green-blind)

#00227C

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1b0f7e;
/* rgb */ color: rgb(27, 15, 126);
/* oklch */ color: oklch(29.4% 0.169 273.3);

Tailwind

colors: {
  custom: {
    50: '#6b52a5',
    500: '#1b0f7e',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f7e;
$custom-light: #6b52a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f7e",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 126
  },
  "hsl": {
    "h": 246.486,
    "s": 78.723,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29382,
    "c": 0.16943,
    "h": 273.3
  },
  "luminance": 0.02081
}

Semantic roles & 50–950 ramp

primary

#1B0F7E

secondary

#A7B534

accent

#F533E0

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08020F

muted

#7B787F

Preview Lab

Preview with #1B0F7E

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

Preview Lab → · Contrast checker → · Palette generator →