#1B246A#1B246A

#1B246A is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.3% C 0.121 H 271.4°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#1B246A
RGB	rgb(27, 36, 106)
HSL	hsl(233, 59%, 26%)
HSV	hsv(233, 75%, 42%)
CMYK	cmyk(74.5%, 66%, 0%, 58.4%)
CIE-LAB	lab(18.08, 22.32, -42.02)
CIE-LCH	lch(18.08, 47.58, 297.98°)
OKLab	oklab(30.26% 0.0029 -0.1213)
OKLCH	oklch(30.26% 0.121 271.4)
XYZ	xyz(3.6835, 2.5350, 13.9281)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B246A #6A611B

analogous

#1B4B6A #1B246A #391B6A

triadic

#1B246A #6A1B24 #246A1B

tetradic

#1B246A #6A1B4B #6A611B #1B6A39

square

#1B246A #6A1B4B #6A611B #1B6A39

split-complementary

#1B246A #6A391B #4B6A1B

monochromatic

#060818 #0F1339 #1B246A #27359B #3445CB

Accessibility & contrast

On white

13.93

#1B246A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1B246A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B246A

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B246A	#FFFFFF	#000000	##FFFFFF
##1B246A	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306C

Deuteranopia (green-blind)

#002969

Tritanopia (blue-blind)

#003643

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1b246a;
/* rgb */ color: rgb(27, 36, 106);
/* oklch */ color: oklch(30.3% 0.121 271.4);

Tailwind

colors: {
  custom: {
    50: '#645e95',
    500: '#1b246a',
    950: '#000000',
  },
}

SCSS

$custom: #1b246a;
$custom-light: #645e95;
$custom-dark: #000000;

JSON

{
  "hex": "#1b246a",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 106
  },
  "hsl": {
    "h": 233.165,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.30263,
    "c": 0.12136,
    "h": 271.4
  },
  "luminance": 0.02535
}

Semantic roles & 50–950 ramp

primary

#1B246A

secondary

#9F9442

accent

#D145E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B246A

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

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