#1B226B#1B226B

#1B226B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.125 H 272.0°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#1B226B
RGB	rgb(27, 34, 107)
HSL	hsl(235, 60%, 26%)
HSV	hsv(235, 75%, 42%)
CMYK	cmyk(74.8%, 68.2%, 0%, 58%)
CIE-LAB	lab(17.64, 24.12, -43.39)
CIE-LCH	lch(17.64, 49.64, 299.07°)
OKLab	oklab(29.97% 0.0044 -0.1254)
OKLCH	oklch(29.97% 0.125 272)
XYZ	xyz(3.6770, 2.4382, 14.1839)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B226B #6B641B

analogous

#1B4A6B #1B226B #3C1B6B

triadic

#1B226B #6B1B22 #226B1B

tetradic

#1B226B #6B1B4A #6B641B #1B6B3C

square

#1B226B #6B1B4A #6B641B #1B6B3C

split-complementary

#1B226B #6B3C1B #4A6B1B

monochromatic

#060818 #0F123A #1B226B #27329C #3542CC

Accessibility & contrast

On white

14.11

#1B226B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1B226B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B226B

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B226B	#FFFFFF	#000000	##FFFFFF
##1B226B	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00286A

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1b226b;
/* rgb */ color: rgb(27, 34, 107);
/* oklch */ color: oklch(30.0% 0.125 272.0);

Tailwind

colors: {
  custom: {
    50: '#645d96',
    500: '#1b226b',
    950: '#000000',
  },
}

SCSS

$custom: #1b226b;
$custom-light: #645d96;
$custom-dark: #000000;

JSON

{
  "hex": "#1b226b",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 107
  },
  "hsl": {
    "h": 234.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.2997,
    "c": 0.12544,
    "h": 272
  },
  "luminance": 0.02439
}

Semantic roles & 50–950 ramp

primary

#1B226B

secondary

#A09842

accent

#D545E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B226B

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

Preview Lab → · Contrast checker → · Palette generator →