#1B2D94#1B2D94

#1B2D94 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.2% C 0.168 H 268.1°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B2D94
RGB	rgb(27, 45, 148)
HSL	hsl(231, 69%, 34%)
HSV	hsv(231, 82%, 58%)
CMYK	cmyk(81.8%, 69.6%, 0%, 42%)
CIE-LAB	lab(24.47, 32.44, -58.12)
CIE-LCH	lch(24.47, 66.56, 299.17°)
OKLab	oklab(36.19% -0.0054 -0.1683)
OKLCH	oklch(36.19% 0.168 268.1)
XYZ	xyz(6.7338, 4.2471, 28.4761)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2D94 #94821B

analogous

#1B6A94 #1B2D94 #451B94

triadic

#1B2D94 #941B2D #2D941B

tetradic

#1B2D94 #941B6A #94821B #1B9445

square

#1B2D94 #941B6A #94821B #1B9445

split-complementary

#1B2D94 #94451B #6A941B

monochromatic

#080E2C #121D60 #1B2D94 #243DC8 #4B61DE

Accessibility & contrast

On white

11.35

#1B2D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1B2D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2D94

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2D94	#FFFFFF	#000000	##FFFFFF
##1B2D94	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004097

Deuteranopia (green-blind)

#003492

Tritanopia (blue-blind)

#00495C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1b2d94;
/* rgb */ color: rgb(27, 45, 148);
/* oklch */ color: oklch(36.2% 0.168 268.1);

Tailwind

colors: {
  custom: {
    50: '#6e66b4',
    500: '#1b2d94',
    950: '#000000',
  },
}

SCSS

$custom: #1b2d94;
$custom-light: #6e66b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2d94",
  "rgb": {
    "r": 27,
    "g": 45,
    "b": 148
  },
  "hsl": {
    "h": 231.074,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3619,
    "c": 0.16844,
    "h": 268.1
  },
  "luminance": 0.04248
}

Semantic roles & 50–950 ramp

primary

#1B2D94

secondary

#C0AF4B

accent

#D23CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1B2D94

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

Preview Lab → · Contrast checker → · Palette generator →