#1B0F69#1B0F69

#1B0F69 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.7% C 0.144 H 276.5°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F69
RGB	rgb(27, 15, 105)
HSL	hsl(248, 75%, 24%)
HSV	hsv(248, 86%, 41%)
CMYK	cmyk(74.3%, 85.7%, 0%, 58.8%)
CIE-LAB	lab(13.20, 35.13, -49.40)
CIE-LCH	lch(13.20, 60.62, 305.42°)
OKLab	oklab(26.74% 0.0162 -0.1428)
OKLCH	oklch(26.74% 0.144 276.5)
XYZ	xyz(3.1718, 1.5943, 13.5024)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F69 #5D690F

analogous

#0F3069 #1B0F69 #480F69

triadic

#1B0F69 #691B0F #0F691B

tetradic

#1B0F69 #690F30 #5D690F #0F6948

square

#1B0F69 #690F30 #5D690F #0F6948

split-complementary

#1B0F69 #69480F #30690F

monochromatic

#07041B #0D0733 #1B0F69 #29179F #371ED4

Accessibility & contrast

On white

15.92

#1B0F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1B0F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F69

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F69	#FFFFFF	#000000	##FFFFFF
##1B0F69	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00266B

Deuteranopia (green-blind)

#001E67

Tritanopia (blue-blind)

#002B3D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1b0f69;
/* rgb */ color: rgb(27, 15, 105);
/* oklch */ color: oklch(26.7% 0.144 276.5);

Tailwind

colors: {
  custom: {
    50: '#665195',
    500: '#1b0f69',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f69;
$custom-light: #665195;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f69",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 105
  },
  "hsl": {
    "h": 248,
    "s": 75,
    "l": 23.529
  },
  "oklch": {
    "l": 0.26737,
    "c": 0.14369,
    "h": 276.5
  },
  "luminance": 0.01595
}

Semantic roles & 50–950 ramp

primary

#1B0F69

secondary

#93A132

accent

#F236D9

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1B0F69

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

Preview Lab → · Contrast checker → · Palette generator →