#1B0E72#1B0E72

#1B0E72 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.156 H 275.1°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#1B0E72
RGB	rgb(27, 14, 114)
HSL	hsl(248, 78%, 25%)
HSV	hsv(248, 88%, 45%)
CMYK	cmyk(76.3%, 87.7%, 0%, 55.3%)
CIE-LAB	lab(14.18, 38.52, -53.64)
CIE-LCH	lch(14.18, 66.04, 305.68°)
OKLab	oklab(27.75% 0.0137 -0.1551)
OKLCH	oklch(27.75% 0.156 275.1)
XYZ	xyz(3.6453, 1.7616, 16.0642)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0E72 #65720E

analogous

#0E3372 #1B0E72 #4D0E72

triadic

#1B0E72 #721B0E #0E721B

tetradic

#1B0E72 #720E33 #65720E #0E724D

square

#1B0E72 #720E33 #65720E #0E724D

split-complementary

#1B0E72 #724D0E #33720E

monochromatic

#06031B #0E073B #1B0E72 #2815A9 #351BDF

Accessibility & contrast

On white

15.53

#1B0E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1B0E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0E72

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0E72	#FFFFFF	#000000	##FFFFFF
##1B0E72	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002875

Deuteranopia (green-blind)

#001F70

Tritanopia (blue-blind)

#002F42

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b0e72;
/* rgb */ color: rgb(27, 14, 114);
/* oklch */ color: oklch(27.8% 0.156 275.1);

Tailwind

colors: {
  custom: {
    50: '#68519c',
    500: '#1b0e72',
    950: '#000000',
  },
}

SCSS

$custom: #1b0e72;
$custom-light: #68519c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0e72",
  "rgb": {
    "r": 27,
    "g": 14,
    "b": 114
  },
  "hsl": {
    "h": 247.8,
    "s": 78.125,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27751,
    "c": 0.15567,
    "h": 275.1
  },
  "luminance": 0.01762
}

Semantic roles & 50–950 ramp

primary

#1B0E72

secondary

#9AAA32

accent

#F533DB

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B0E72

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

Preview Lab → · Contrast checker → · Palette generator →