#1B0F65#1B0F65

#1B0F65 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.2% C 0.139 H 277.2°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F65
RGB	rgb(27, 15, 101)
HSL	hsl(248, 74%, 23%)
HSV	hsv(248, 85%, 40%)
CMYK	cmyk(73.3%, 85.1%, 0%, 60.4%)
CIE-LAB	lab(12.70, 33.81, -47.58)
CIE-LCH	lch(12.70, 58.37, 305.40°)
OKLab	oklab(26.25% 0.0175 -0.1375)
OKLCH	oklch(26.25% 0.139 277.2)
XYZ	xyz(2.9710, 1.5140, 12.4451)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F65 #59650F

analogous

#0F2E65 #1B0F65 #460F65

triadic

#1B0F65 #651B0F #0F651B

tetradic

#1B0F65 #650F2E #59650F #0F6546

square

#1B0F65 #650F2E #59650F #0F6546

split-complementary

#1B0F65 #65460F #2E650F

monochromatic

#07041B #0D0730 #1B0F65 #29179A #371FD0

Accessibility & contrast

On white

16.12

#1B0F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1B0F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F65

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F65	#FFFFFF	#000000	##FFFFFF
##1B0F65	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002467

Deuteranopia (green-blind)

#001D64

Tritanopia (blue-blind)

#002A3A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1b0f65;
/* rgb */ color: rgb(27, 15, 101);
/* oklch */ color: oklch(26.2% 0.139 277.2);

Tailwind

colors: {
  custom: {
    50: '#655092',
    500: '#1b0f65',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f65;
$custom-light: #655092;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f65",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 101
  },
  "hsl": {
    "h": 248.372,
    "s": 74.138,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26246,
    "c": 0.13861,
    "h": 277.2
  },
  "luminance": 0.01514
}

Semantic roles & 50–950 ramp

primary

#1B0F65

secondary

#8F9E32

accent

#F137D7

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1B0F65

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

Preview Lab → · Contrast checker → · Palette generator →