#1B1E82#1B1E82

#1B1E82 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.161 H 271.3°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B1E82
RGB	rgb(27, 30, 130)
HSL	hsl(238, 66%, 31%)
HSV	hsv(238, 79%, 51%)
CMYK	cmyk(79.2%, 76.9%, 0%, 49%)
CIE-LAB	lab(19.11, 35.31, -55.73)
CIE-LCH	lch(19.11, 65.98, 302.36°)
OKLab	oklab(31.76% 0.0037 -0.1613)
OKLCH	oklch(31.76% 0.161 271.3)
XYZ	xyz(4.9442, 2.7727, 21.3894)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1E82 #827F1B

analogous

#1B5182 #1B1E82 #4B1B82

triadic

#1B1E82 #821B1E #1E821B

tetradic

#1B1E82 #821B51 #827F1B #1B824B

square

#1B1E82 #821B51 #827F1B #1B824B

split-complementary

#1B1E82 #824B1B #51821B

monochromatic

#06071D #10124F #1B1E82 #262AB5 #4044D7

Accessibility & contrast

On white

13.51

#1B1E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1B1E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1E82

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1E82	#FFFFFF	#000000	##FFFFFF
##1B1E82	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002980

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b1e82;
/* rgb */ color: rgb(27, 30, 130);
/* oklch */ color: oklch(31.8% 0.161 271.3);

Tailwind

colors: {
  custom: {
    50: '#6b5ba7',
    500: '#1b1e82',
    950: '#000000',
  },
}

SCSS

$custom: #1b1e82;
$custom-light: #6b5ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1e82",
  "rgb": {
    "r": 27,
    "g": 30,
    "b": 130
  },
  "hsl": {
    "h": 238.252,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31761,
    "c": 0.16139,
    "h": 271.3
  },
  "luminance": 0.02773
}

Semantic roles & 50–950 ramp

primary

#1B1E82

secondary

#B6B243

accent

#E43FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B1E82

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

Preview Lab → · Contrast checker → · Palette generator →