#1B126E#1B126E

#1B126E is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.147 H 275.2°. Best body text is #FFFFFF at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B126E
RGB	rgb(27, 18, 110)
HSL	hsl(246, 72%, 25%)
HSV	hsv(246, 84%, 43%)
CMYK	cmyk(75.5%, 83.6%, 0%, 56.9%)
CIE-LAB	lab(14.35, 35.24, -50.76)
CIE-LCH	lch(14.35, 61.79, 304.77°)
OKLab	oklab(27.72% 0.0134 -0.1468)
OKLCH	oklch(27.72% 0.147 275.2)
XYZ	xyz(3.4818, 1.7911, 14.9110)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B126E #656E12

analogous

#12376E #1B126E #49126E

triadic

#1B126E #6E1B12 #126E1B

tetradic

#1B126E #6E1237 #656E12 #126E49

square

#1B126E #6E1237 #656E12 #126E49

split-complementary

#1B126E #6E4912 #376E12

monochromatic

#06041A #0E0939 #1B126E #281BA3 #3523D7

Accessibility & contrast

On white

15.46

#1B126E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1B126E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B126E

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B126E	#FFFFFF	#000000	##FFFFFF
##1B126E	1.00	15.46	1.36	15.46
#FFFFFF	15.46	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002871

Deuteranopia (green-blind)

#00206C

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b126e;
/* rgb */ color: rgb(27, 18, 110);
/* oklch */ color: oklch(27.7% 0.147 275.2);

Tailwind

colors: {
  custom: {
    50: '#675399',
    500: '#1b126e',
    950: '#000000',
  },
}

SCSS

$custom: #1b126e;
$custom-light: #675399;
$custom-dark: #000000;

JSON

{
  "hex": "#1b126e",
  "rgb": {
    "r": 27,
    "g": 18,
    "b": 110
  },
  "hsl": {
    "h": 245.87,
    "s": 71.875,
    "l": 25.098
  },
  "oklch": {
    "l": 0.2772,
    "c": 0.14738,
    "h": 275.2
  },
  "luminance": 0.01791
}

Semantic roles & 50–950 ramp

primary

#1B126E

secondary

#9AA537

accent

#EF39DD

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B126E

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

Preview Lab → · Contrast checker → · Palette generator →