#1B246B#1B246B

#1B246B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.4% C 0.123 H 271.3°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B246B
RGB	rgb(27, 36, 107)
HSL	hsl(233, 60%, 26%)
HSV	hsv(233, 75%, 42%)
CMYK	cmyk(74.8%, 66.4%, 0%, 58%)
CIE-LAB	lab(18.17, 22.72, -42.52)
CIE-LCH	lch(18.17, 48.21, 298.12°)
OKLab	oklab(30.36% 0.0029 -0.1228)
OKLCH	oklch(30.36% 0.123 271.3)
XYZ	xyz(3.7358, 2.5559, 14.2035)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B246B #6B621B

analogous

#1B4C6B #1B246B #3A1B6B

triadic

#1B246B #6B1B24 #246B1B

tetradic

#1B246B #6B1B4C #6B621B #1B6B3A

square

#1B246B #6B1B4C #6B621B #1B6B3A

split-complementary

#1B246B #6B3A1B #4C6B1B

monochromatic

#060818 #0F143A #1B246B #27349C #3546CC

Accessibility & contrast

On white

13.90

#1B246B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1B246B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B246B

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B246B	#FFFFFF	#000000	##FFFFFF
##1B246B	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306D

Deuteranopia (green-blind)

#00296A

Tritanopia (blue-blind)

#003643

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1b246b;
/* rgb */ color: rgb(27, 36, 107);
/* oklch */ color: oklch(30.4% 0.123 271.3);

Tailwind

colors: {
  custom: {
    50: '#645e96',
    500: '#1b246b',
    950: '#000000',
  },
}

SCSS

$custom: #1b246b;
$custom-light: #645e96;
$custom-dark: #000000;

JSON

{
  "hex": "#1b246b",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 107
  },
  "hsl": {
    "h": 233.25,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30361,
    "c": 0.12281,
    "h": 271.3
  },
  "luminance": 0.02556
}

Semantic roles & 50–950 ramp

primary

#1B246B

secondary

#A09542

accent

#D145E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B246B

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

Preview Lab → · Contrast checker → · Palette generator →