#1B4093#1B4093

#1B4093 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.144 H 263.3°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B4093
RGB	rgb(27, 64, 147)
HSL	hsl(222, 69%, 34%)
HSV	hsv(222, 82%, 58%)
CMYK	cmyk(81.6%, 56.5%, 0%, 42.4%)
CIE-LAB	lab(29.43, 19.13, -49.40)
CIE-LCH	lch(29.43, 52.98, 291.17°)
OKLab	oklab(39.84% -0.0168 -0.1426)
OKLCH	oklch(39.84% 0.144 263.3)
XYZ	xyz(7.5500, 6.0055, 28.3594)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4093 #936E1B

analogous

#1B7C93 #1B4093 #321B93

triadic

#1B4093 #931B40 #40931B

tetradic

#1B4093 #931B7C #936E1B #1B9332

square

#1B4093 #931B7C #936E1B #1B9332

split-complementary

#1B4093 #93321B #7C931B

monochromatic

#08132C #12295F #1B4093 #2457C7 #4B78DE

Accessibility & contrast

On white

9.54

#1B4093 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1B4093 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4093

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4093	#FFFFFF	#000000	##FFFFFF
##1B4093	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B96

Deuteranopia (green-blind)

#004091

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4093;
/* rgb */ color: rgb(27, 64, 147);
/* oklch */ color: oklch(39.8% 0.144 263.3);

Tailwind

colors: {
  custom: {
    50: '#6c74b3',
    500: '#1b4093',
    950: '#000000',
  },
}

SCSS

$custom: #1b4093;
$custom-light: #6c74b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4093",
  "rgb": {
    "r": 27,
    "g": 64,
    "b": 147
  },
  "hsl": {
    "h": 221.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39839,
    "c": 0.14357,
    "h": 263.3
  },
  "luminance": 0.06006
}

Semantic roles & 50–950 ramp

primary

#1B4093

secondary

#C09B4A

accent

#B63CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4093

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

Preview Lab → · Contrast checker → · Palette generator →