#1B2E90#1B2E90

#1B2E90 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.162 H 268.0°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E90
RGB	rgb(27, 46, 144)
HSL	hsl(230, 68%, 34%)
HSV	hsv(230, 81%, 56%)
CMYK	cmyk(81.3%, 68.1%, 0%, 43.5%)
CIE-LAB	lab(24.32, 30.26, -55.90)
CIE-LCH	lch(24.32, 63.56, 298.43°)
OKLab	oklab(35.96% -0.0057 -0.1619)
OKLCH	oklch(35.96% 0.162 268)
XYZ	xyz(6.4613, 4.1999, 26.8503)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E90 #907D1B

analogous

#1B6890 #1B2E90 #421B90

triadic

#1B2E90 #901B2E #2E901B

tetradic

#1B2E90 #901B68 #907D1B #1B9042

square

#1B2E90 #901B68 #907D1B #1B9042

split-complementary

#1B2E90 #90421B #68901B

monochromatic

#080D29 #111E5C #1B2E90 #253EC4 #4961DD

Accessibility & contrast

On white

11.41

#1B2E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1B2E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E90

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E90	#FFFFFF	#000000	##FFFFFF
##1B2E90	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F93

Deuteranopia (green-blind)

#00348E

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1b2e90;
/* rgb */ color: rgb(27, 46, 144);
/* oklch */ color: oklch(36.0% 0.162 268.0);

Tailwind

colors: {
  custom: {
    50: '#6d66b1',
    500: '#1b2e90',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e90;
$custom-light: #6d66b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e90",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 144
  },
  "hsl": {
    "h": 230.256,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3596,
    "c": 0.16196,
    "h": 268
  },
  "luminance": 0.04201
}

Semantic roles & 50–950 ramp

primary

#1B2E90

secondary

#BFAB48

accent

#CF3DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1B2E90

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

Preview Lab → · Contrast checker → · Palette generator →