#1B126D#1B126D

#1B126D is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.146 H 275.4°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B126D
RGB	rgb(27, 18, 109)
HSL	hsl(246, 72%, 25%)
HSV	hsv(246, 83%, 43%)
CMYK	cmyk(75.2%, 83.5%, 0%, 57.3%)
CIE-LAB	lab(14.23, 34.90, -50.31)
CIE-LCH	lch(14.23, 61.23, 304.75°)
OKLab	oklab(27.6% 0.0137 -0.1455)
OKLCH	oklch(27.6% 0.146 275.4)
XYZ	xyz(3.4277, 1.7694, 14.6259)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B126D #646D12

analogous

#12376D #1B126D #49126D

triadic

#1B126D #6D1B12 #126D1B

tetradic

#1B126D #6D1237 #646D12 #126D49

square

#1B126D #6D1237 #646D12 #126D49

split-complementary

#1B126D #6D4912 #376D12

monochromatic

#07041A #0E0938 #1B126D #281BA2 #3523D6

Accessibility & contrast

On white

15.51

#1B126D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1B126D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B126D

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B126D	#FFFFFF	#000000	##FFFFFF
##1B126D	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002870

Deuteranopia (green-blind)

#00206B

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b126d;
/* rgb */ color: rgb(27, 18, 109);
/* oklch */ color: oklch(27.6% 0.146 275.4);

Tailwind

colors: {
  custom: {
    50: '#675298',
    500: '#1b126d',
    950: '#000000',
  },
}

SCSS

$custom: #1b126d;
$custom-light: #675298;
$custom-dark: #000000;

JSON

{
  "hex": "#1b126d",
  "rgb": {
    "r": 27,
    "g": 18,
    "b": 109
  },
  "hsl": {
    "h": 245.934,
    "s": 71.654,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27598,
    "c": 0.14611,
    "h": 275.4
  },
  "luminance": 0.0177
}

Semantic roles & 50–950 ramp

primary

#1B126D

secondary

#99A437

accent

#EE39DC

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B126D

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

Preview Lab → · Contrast checker → · Palette generator →