#1B2E97#1B2E97

#1B2E97 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.7% C 0.171 H 267.9°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E97
RGB	rgb(27, 46, 151)
HSL	hsl(231, 70%, 35%)
HSV	hsv(231, 82%, 59%)
CMYK	cmyk(82.1%, 69.5%, 0%, 40.8%)
CIE-LAB	lab(25.02, 32.92, -59.07)
CIE-LCH	lch(25.02, 67.63, 299.13°)
OKLab	oklab(36.68% -0.0062 -0.1711)
OKLCH	oklch(36.68% 0.171 267.9)
XYZ	xyz(7.0130, 4.4205, 29.7558)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E97 #97841B

analogous

#1B6C97 #1B2E97 #461B97

triadic

#1B2E97 #971B2E #2E971B

tetradic

#1B2E97 #971B6C #97841B #1B9746

square

#1B2E97 #971B6C #97841B #1B9746

split-complementary

#1B2E97 #97461B #6C971B

monochromatic

#080E2F #121E63 #1B2E97 #243ECB #4D64DF

Accessibility & contrast

On white

11.15

#1B2E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1B2E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E97

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E97	#FFFFFF	#000000	##FFFFFF
##1B2E97	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419A

Deuteranopia (green-blind)

#003595

Tritanopia (blue-blind)

#004B5E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1b2e97;
/* rgb */ color: rgb(27, 46, 151);
/* oklch */ color: oklch(36.7% 0.171 267.9);

Tailwind

colors: {
  custom: {
    50: '#6f67b7',
    500: '#1b2e97',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e97;
$custom-light: #6f67b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e97",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 151
  },
  "hsl": {
    "h": 230.806,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36676,
    "c": 0.17123,
    "h": 267.9
  },
  "luminance": 0.04421
}

Semantic roles & 50–950 ramp

primary

#1B2E97

secondary

#C1B04C

accent

#D13BEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1B2E97

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

Preview Lab → · Contrast checker → · Palette generator →