#1B3294#1B3294

#1B3294 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.163 H 267.2°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B3294
RGB	rgb(27, 50, 148)
HSL	hsl(229, 69%, 34%)
HSV	hsv(229, 82%, 58%)
CMYK	cmyk(81.8%, 66.2%, 0%, 42%)
CIE-LAB	lab(25.72, 29.12, -56.07)
CIE-LCH	lch(25.72, 63.19, 297.45°)
OKLab	oklab(37.1% -0.008 -0.1623)
OKLCH	oklch(37.1% 0.163 267.2)
XYZ	xyz(6.9360, 4.6515, 28.5435)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3294 #947D1B

analogous

#1B6F94 #1B3294 #411B94

triadic

#1B3294 #941B32 #32941B

tetradic

#1B3294 #941B6F #947D1B #1B9441

square

#1B3294 #941B6F #947D1B #1B9441

split-complementary

#1B3294 #94411B #6F941B

monochromatic

#080F2C #122160 #1B3294 #2443C8 #4B67DE

Accessibility & contrast

On white

10.88

#1B3294 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1B3294 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3294

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3294	#FFFFFF	#000000	##FFFFFF
##1B3294	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004397

Deuteranopia (green-blind)

#003792

Tritanopia (blue-blind)

#004C5E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1b3294;
/* rgb */ color: rgb(27, 50, 148);
/* oklch */ color: oklch(37.1% 0.163 267.2);

Tailwind

colors: {
  custom: {
    50: '#6e69b4',
    500: '#1b3294',
    950: '#000000',
  },
}

SCSS

$custom: #1b3294;
$custom-light: #6e69b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3294",
  "rgb": {
    "r": 27,
    "g": 50,
    "b": 148
  },
  "hsl": {
    "h": 228.595,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37101,
    "c": 0.16254,
    "h": 267.2
  },
  "luminance": 0.04652
}

Semantic roles & 50–950 ramp

primary

#1B3294

secondary

#C0AA4B

accent

#CA3CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1B3294

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

Preview Lab → · Contrast checker → · Palette generator →