#1B226A#1B226A

#1B226A is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.124 H 272.1°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#1B226A
RGB	rgb(27, 34, 106)
HSL	hsl(235, 59%, 26%)
HSV	hsv(235, 75%, 42%)
CMYK	cmyk(74.5%, 67.9%, 0%, 58.4%)
CIE-LAB	lab(17.54, 23.73, -42.90)
CIE-LCH	lch(17.54, 49.02, 298.95°)
OKLab	oklab(29.87% 0.0045 -0.1239)
OKLCH	oklch(29.87% 0.124 272.1)
XYZ	xyz(3.6247, 2.4173, 13.9084)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B226A #6A631B

analogous

#1B496A #1B226A #3B1B6A

triadic

#1B226A #6A1B22 #226A1B

tetradic

#1B226A #6A1B49 #6A631B #1B6A3B

square

#1B226A #6A1B49 #6A631B #1B6A3B

split-complementary

#1B226A #6A3B1B #496A1B

monochromatic

#060818 #0F1239 #1B226A #27329B #3441CB

Accessibility & contrast

On white

14.15

#1B226A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1B226A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B226A

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B226A	#FFFFFF	#000000	##FFFFFF
##1B226A	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6C

Deuteranopia (green-blind)

#002769

Tritanopia (blue-blind)

#003542

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1b226a;
/* rgb */ color: rgb(27, 34, 106);
/* oklch */ color: oklch(29.9% 0.124 272.1);

Tailwind

colors: {
  custom: {
    50: '#645d95',
    500: '#1b226a',
    950: '#000000',
  },
}

SCSS

$custom: #1b226a;
$custom-light: #645d95;
$custom-dark: #000000;

JSON

{
  "hex": "#1b226a",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 106
  },
  "hsl": {
    "h": 234.684,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.2987,
    "c": 0.12399,
    "h": 272.1
  },
  "luminance": 0.02418
}

Semantic roles & 50–950 ramp

primary

#1B226A

secondary

#9F9742

accent

#D545E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B226A

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

Preview Lab → · Contrast checker → · Palette generator →