#1B0E63#1B0E63

#1B0E63 is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.9% C 0.137 H 277.8°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B0E63
RGB	rgb(27, 14, 99)
HSL	hsl(249, 75%, 22%)
HSV	hsv(249, 86%, 39%)
CMYK	cmyk(72.7%, 85.9%, 0%, 61.2%)
CIE-LAB	lab(12.27, 33.66, -46.96)
CIE-LCH	lch(12.27, 57.78, 305.64°)
OKLab	oklab(25.88% 0.0186 -0.1357)
OKLCH	oklch(25.88% 0.137 277.8)
XYZ	xyz(2.8604, 1.4477, 11.9306)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0E63 #56630E

analogous

#0E2C63 #1B0E63 #450E63

triadic

#1B0E63 #631B0E #0E631B

tetradic

#1B0E63 #630E2C #56630E #0E6345

square

#1B0E63 #630E2C #56630E #0E6345

split-complementary

#1B0E63 #63450E #2C630E

monochromatic

#07041B #0C062D #1B0E63 #2A1699 #381DCE

Accessibility & contrast

On white

16.28

#1B0E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1B0E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0E63

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0E63	#FFFFFF	#000000	##FFFFFF
##1B0E63	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002365

Deuteranopia (green-blind)

#001C62

Tritanopia (blue-blind)

#002839

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1b0e63;
/* rgb */ color: rgb(27, 14, 99);
/* oklch */ color: oklch(25.9% 0.137 277.8);

Tailwind

colors: {
  custom: {
    50: '#645090',
    500: '#1b0e63',
    950: '#000000',
  },
}

SCSS

$custom: #1b0e63;
$custom-light: #645090;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0e63",
  "rgb": {
    "r": 27,
    "g": 14,
    "b": 99
  },
  "hsl": {
    "h": 249.176,
    "s": 75.221,
    "l": 22.157
  },
  "oklch": {
    "l": 0.25879,
    "c": 0.13694,
    "h": 277.8
  },
  "luminance": 0.01448
}

Semantic roles & 50–950 ramp

primary

#1B0E63

secondary

#8C9C30

accent

#F236D5

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1B0E63

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

Preview Lab → · Contrast checker → · Palette generator →