#1B2280#1B2280

#1B2280 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.2% C 0.154 H 270.8°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#1B2280
RGB	rgb(27, 34, 128)
HSL	hsl(236, 65%, 30%)
HSV	hsv(236, 79%, 50%)
CMYK	cmyk(78.9%, 73.4%, 0%, 49.8%)
CIE-LAB	lab(19.78, 32.10, -53.35)
CIE-LCH	lch(19.78, 62.27, 301.03°)
OKLab	oklab(32.17% 0.0021 -0.1545)
OKLCH	oklch(32.17% 0.154 270.8)
XYZ	xyz(4.9190, 2.9350, 20.7252)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2280 #80791B

analogous

#1B5480 #1B2280 #471B80

triadic

#1B2280 #801B22 #22801B

tetradic

#1B2280 #801B54 #80791B #1B8047

square

#1B2280 #801B54 #80791B #1B8047

split-complementary

#1B2280 #80471B #54801B

monochromatic

#06071B #10154D #1B2280 #262FB3 #3F49D6

Accessibility & contrast

On white

13.23

#1B2280 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1B2280 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2280

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2280	#FFFFFF	#000000	##FFFFFF
##1B2280	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#002B7E

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b2280;
/* rgb */ color: rgb(27, 34, 128);
/* oklch */ color: oklch(32.2% 0.154 270.8);

Tailwind

colors: {
  custom: {
    50: '#6a5ea6',
    500: '#1b2280',
    950: '#000000',
  },
}

SCSS

$custom: #1b2280;
$custom-light: #6a5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2280",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 128
  },
  "hsl": {
    "h": 235.842,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32175,
    "c": 0.15447,
    "h": 270.8
  },
  "luminance": 0.02936
}

Semantic roles & 50–950 ramp

primary

#1B2280

secondary

#B4AC43

accent

#DC40E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1B2280

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

Preview Lab → · Contrast checker → · Palette generator →