#1B46BC#1B46BC

#1B46BC is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.191 H 264.4°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1B46BC
RGB	rgb(27, 70, 188)
HSL	hsl(224, 75%, 42%)
HSV	hsv(224, 86%, 74%)
CMYK	cmyk(85.6%, 62.8%, 0%, 26.3%)
CIE-LAB	lab(34.48, 31.24, -65.74)
CIE-LCH	lch(34.48, 72.79, 295.41°)
OKLab	oklab(44.69% -0.0188 -0.1904)
OKLCH	oklch(44.69% 0.191 264.4)
XYZ	xyz(11.7160, 8.2427, 48.5407)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B46BC #BC911B

analogous

#1B97BC #1B46BC #401BBC

triadic

#1B46BC #BC1B46 #46BC1B

tetradic

#1B46BC #BC1B97 #BC911B #1BBC40

square

#1B46BC #BC1B97 #BC911B #1BBC40

split-complementary

#1B46BC #BC401B #97BC1B

monochromatic

#0C1E51 #133286 #1B46BC #3361E2 #688BE9

Accessibility & contrast

On white

7.93

#1B46BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1B46BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B46BC

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B46BC	#FFFFFF	#000000	##FFFFFF
##1B46BC	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004ABA

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b46bc;
/* rgb */ color: rgb(27, 70, 188);
/* oklch */ color: oklch(44.7% 0.191 264.4);

Tailwind

colors: {
  custom: {
    50: '#7779d1',
    500: '#1b46bc',
    950: '#000000',
  },
}

SCSS

$custom: #1b46bc;
$custom-light: #7779d1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b46bc",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 188
  },
  "hsl": {
    "h": 223.975,
    "s": 74.884,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44694,
    "c": 0.19134,
    "h": 264.4
  },
  "luminance": 0.08244
}

Semantic roles & 50–950 ramp

primary

#1B46BC

secondary

#CFB264

accent

#C036F2

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #1B46BC

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

Preview Lab → · Contrast checker → · Palette generator →