#1B3094#1B3094

#1B3094 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.165 H 267.6°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B3094
RGB	rgb(27, 48, 148)
HSL	hsl(230, 69%, 34%)
HSV	hsv(230, 82%, 58%)
CMYK	cmyk(81.8%, 67.6%, 0%, 42%)
CIE-LAB	lab(25.21, 30.46, -56.90)
CIE-LCH	lch(25.21, 64.55, 298.16°)
OKLab	oklab(36.73% -0.0069 -0.1648)
OKLCH	oklch(36.73% 0.165 267.6)
XYZ	xyz(6.8524, 4.4842, 28.5156)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3094 #947F1B

analogous

#1B6D94 #1B3094 #431B94

triadic

#1B3094 #941B30 #30941B

tetradic

#1B3094 #941B6D #947F1B #1B9443

square

#1B3094 #941B6D #947F1B #1B9443

split-complementary

#1B3094 #94431B #6D941B

monochromatic

#080E2C #121F60 #1B3094 #2441C8 #4B65DE

Accessibility & contrast

On white

11.07

#1B3094 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1B3094 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3094

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3094	#FFFFFF	#000000	##FFFFFF
##1B3094	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004297

Deuteranopia (green-blind)

#003692

Tritanopia (blue-blind)

#004B5D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1b3094;
/* rgb */ color: rgb(27, 48, 148);
/* oklch */ color: oklch(36.7% 0.165 267.6);

Tailwind

colors: {
  custom: {
    50: '#6e68b4',
    500: '#1b3094',
    950: '#000000',
  },
}

SCSS

$custom: #1b3094;
$custom-light: #6e68b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3094",
  "rgb": {
    "r": 27,
    "g": 48,
    "b": 148
  },
  "hsl": {
    "h": 229.587,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36729,
    "c": 0.16494,
    "h": 267.6
  },
  "luminance": 0.04485
}

Semantic roles & 50–950 ramp

primary

#1B3094

secondary

#C0AC4B

accent

#CD3CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1B3094

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

Preview Lab → · Contrast checker → · Palette generator →