#1B296C#1B296C

#1B296C is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.5% C 0.118 H 269.4°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#1B296C
RGB	rgb(27, 41, 108)
HSL	hsl(230, 60%, 26%)
HSV	hsv(230, 75%, 42%)
CMYK	cmyk(75%, 62%, 0%, 57.6%)
CIE-LAB	lab(19.64, 19.56, -40.76)
CIE-LCH	lch(19.64, 45.22, 295.64°)
OKLab	oklab(31.48% -0.0012 -0.1176)
OKLCH	oklch(31.48% 0.118 269.4)
XYZ	xyz(3.9508, 2.9012, 14.5362)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B296C #6C5E1B

analogous

#1B526C #1B296C #361B6C

triadic

#1B296C #6C1B29 #296C1B

tetradic

#1B296C #6C1B52 #6C5E1B #1B6C36

square

#1B296C #6C1B52 #6C5E1B #1B6C36

split-complementary

#1B296C #6C361B #526C1B

monochromatic

#060918 #0F163B #1B296C #273C9D #354FCC

Accessibility & contrast

On white

13.29

#1B296C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1B296C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B296C

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B296C	#FFFFFF	#000000	##FFFFFF
##1B296C	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336E

Deuteranopia (green-blind)

#002C6B

Tritanopia (blue-blind)

#003A46

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b296c;
/* rgb */ color: rgb(27, 41, 108);
/* oklch */ color: oklch(31.5% 0.118 269.4);

Tailwind

colors: {
  custom: {
    50: '#646297',
    500: '#1b296c',
    950: '#000000',
  },
}

SCSS

$custom: #1b296c;
$custom-light: #646297;
$custom-dark: #000000;

JSON

{
  "hex": "#1b296c",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 108
  },
  "hsl": {
    "h": 229.63,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3148,
    "c": 0.11758,
    "h": 269.4
  },
  "luminance": 0.02902
}

Semantic roles & 50–950 ramp

primary

#1B296C

secondary

#A19142

accent

#C845E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1B296C

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

Preview Lab → · Contrast checker → · Palette generator →