#1B2685#1B2685

#1B2685 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.4% C 0.157 H 269.8°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B2685
RGB	rgb(27, 38, 133)
HSL	hsl(234, 66%, 31%)
HSV	hsv(234, 80%, 52%)
CMYK	cmyk(79.7%, 71.4%, 0%, 47.8%)
CIE-LAB	lab(21.25, 31.37, -54.09)
CIE-LCH	lch(21.25, 62.53, 300.12°)
OKLab	oklab(33.39% -0.0005 -0.1566)
OKLCH	oklch(33.39% 0.157 269.8)
XYZ	xyz(5.3773, 3.3121, 22.5417)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2685 #857A1B

analogous

#1B5B85 #1B2685 #451B85

triadic

#1B2685 #851B26 #26851B

tetradic

#1B2685 #851B5B #857A1B #1B8545

square

#1B2685 #851B5B #857A1B #1B8545

split-complementary

#1B2685 #85451B #5B851B

monochromatic

#06091F #111752 #1B2685 #2535B8 #4251D9

Accessibility & contrast

On white

12.63

#1B2685 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1B2685 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2685

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2685	#FFFFFF	#000000	##FFFFFF
##1B2685	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003888

Deuteranopia (green-blind)

#002E83

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1b2685;
/* rgb */ color: rgb(27, 38, 133);
/* oklch */ color: oklch(33.4% 0.157 269.8);

Tailwind

colors: {
  custom: {
    50: '#6b60aa',
    500: '#1b2685',
    950: '#000000',
  },
}

SCSS

$custom: #1b2685;
$custom-light: #6b60aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2685",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 133
  },
  "hsl": {
    "h": 233.774,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33394,
    "c": 0.1566,
    "h": 269.8
  },
  "luminance": 0.03313
}

Semantic roles & 50–950 ramp

primary

#1B2685

secondary

#B8AC44

accent

#D73FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1B2685

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

Preview Lab → · Contrast checker → · Palette generator →