#1B2E82#1B2E82

#1B2E82 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.143 H 268.0°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E82
RGB	rgb(27, 46, 130)
HSL	hsl(229, 66%, 31%)
HSV	hsv(229, 79%, 51%)
CMYK	cmyk(79.2%, 64.6%, 0%, 49%)
CIE-LAB	lab(22.99, 24.82, -49.34)
CIE-LCH	lch(22.99, 55.23, 296.70°)
OKLab	oklab(34.58% -0.005 -0.1427)
OKLCH	oklch(34.58% 0.143 268)
XYZ	xyz(5.4569, 3.7981, 21.5603)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E82 #826F1B

analogous

#1B6182 #1B2E82 #3B1B82

triadic

#1B2E82 #821B2E #2E821B

tetradic

#1B2E82 #821B61 #826F1B #1B823B

square

#1B2E82 #821B61 #826F1B #1B823B

split-complementary

#1B2E82 #823B1B #61821B

monochromatic

#060A1D #101C4F #1B2E82 #2640B5 #405CD7

Accessibility & contrast

On white

11.93

#1B2E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1B2E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E82

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E82	#FFFFFF	#000000	##FFFFFF
##1B2E82	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C85

Deuteranopia (green-blind)

#003280

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b2e82;
/* rgb */ color: rgb(27, 46, 130);
/* oklch */ color: oklch(34.6% 0.143 268.0);

Tailwind

colors: {
  custom: {
    50: '#6966a7',
    500: '#1b2e82',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e82;
$custom-light: #6966a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e82",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 130
  },
  "hsl": {
    "h": 228.932,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34576,
    "c": 0.14278,
    "h": 268
  },
  "luminance": 0.03799
}

Semantic roles & 50–950 ramp

primary

#1B2E82

secondary

#B6A043

accent

#C93FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1B2E82

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

Preview Lab → · Contrast checker → · Palette generator →