#1B126F#1B126F

#1B126F is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.149 H 275.1°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B126F
RGB	rgb(27, 18, 111)
HSL	hsl(246, 72%, 25%)
HSV	hsv(246, 84%, 44%)
CMYK	cmyk(75.7%, 83.8%, 0%, 56.5%)
CIE-LAB	lab(14.47, 35.57, -51.21)
CIE-LCH	lch(14.47, 62.35, 304.79°)
OKLab	oklab(27.84% 0.0132 -0.1481)
OKLCH	oklch(27.84% 0.149 275.1)
XYZ	xyz(3.5366, 1.8130, 15.1994)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B126F #666F12

analogous

#12386F #1B126F #49126F

triadic

#1B126F #6F1B12 #126F1B

tetradic

#1B126F #6F1238 #666F12 #126F49

square

#1B126F #6F1238 #666F12 #126F49

split-complementary

#1B126F #6F4912 #386F12

monochromatic

#06041A #0E093A #1B126F #281BA4 #3523D8

Accessibility & contrast

On white

15.41

#1B126F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1B126F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B126F

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B126F	#FFFFFF	#000000	##FFFFFF
##1B126F	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002972

Deuteranopia (green-blind)

#00206D

Tritanopia (blue-blind)

#002F41

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1b126f;
/* rgb */ color: rgb(27, 18, 111);
/* oklch */ color: oklch(27.8% 0.149 275.1);

Tailwind

colors: {
  custom: {
    50: '#675399',
    500: '#1b126f',
    950: '#000000',
  },
}

SCSS

$custom: #1b126f;
$custom-light: #675399;
$custom-dark: #000000;

JSON

{
  "hex": "#1b126f",
  "rgb": {
    "r": 27,
    "g": 18,
    "b": 111
  },
  "hsl": {
    "h": 245.806,
    "s": 72.093,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27841,
    "c": 0.14865,
    "h": 275.1
  },
  "luminance": 0.01813
}

Semantic roles & 50–950 ramp

primary

#1B126F

secondary

#9BA637

accent

#EF39DD

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B126F

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

Preview Lab → · Contrast checker → · Palette generator →