#1B126A#1B126A

#1B126A is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.2% C 0.142 H 275.9°. Best body text is #FFFFFF at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#1B126A
RGB	rgb(27, 18, 106)
HSL	hsl(246, 71%, 24%)
HSV	hsv(246, 83%, 42%)
CMYK	cmyk(74.5%, 83%, 0%, 58.4%)
CIE-LAB	lab(13.86, 33.89, -48.95)
CIE-LCH	lch(13.86, 59.54, 304.70°)
OKLab	oklab(27.24% 0.0146 -0.1415)
OKLCH	oklch(27.24% 0.142 275.9)
XYZ	xyz(3.2690, 1.7059, 13.7899)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B126A #616A12

analogous

#12356A #1B126A #47126A

triadic

#1B126A #6A1B12 #126A1B

tetradic

#1B126A #6A1235 #616A12 #126A47

square

#1B126A #6A1235 #616A12 #126A47

split-complementary

#1B126A #6A4712 #356A12

monochromatic

#07041A #0E0936 #1B126A #281B9E #3624D3

Accessibility & contrast

On white

15.66

#1B126A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1B126A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B126A

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B126A	#FFFFFF	#000000	##FFFFFF
##1B126A	1.00	15.66	1.34	15.66
#FFFFFF	15.66	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00276C

Deuteranopia (green-blind)

#001F68

Tritanopia (blue-blind)

#002D3E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1b126a;
/* rgb */ color: rgb(27, 18, 106);
/* oklch */ color: oklch(27.2% 0.142 275.9);

Tailwind

colors: {
  custom: {
    50: '#665296',
    500: '#1b126a',
    950: '#000000',
  },
}

SCSS

$custom: #1b126a;
$custom-light: #665296;
$custom-dark: #000000;

JSON

{
  "hex": "#1b126a",
  "rgb": {
    "r": 27,
    "g": 18,
    "b": 106
  },
  "hsl": {
    "h": 246.136,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27236,
    "c": 0.14227,
    "h": 275.9
  },
  "luminance": 0.01706
}

Semantic roles & 50–950 ramp

primary

#1B126A

secondary

#97A236

accent

#EE3ADB

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1B126A

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

Preview Lab → · Contrast checker → · Palette generator →