#1B296A#1B296A

#1B296A is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.3% C 0.115 H 269.4°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B296A
RGB	rgb(27, 41, 106)
HSL	hsl(229, 59%, 26%)
HSV	hsv(229, 75%, 42%)
CMYK	cmyk(74.5%, 61.3%, 0%, 58.4%)
CIE-LAB	lab(19.47, 18.76, -39.75)
CIE-LCH	lch(19.47, 43.95, 295.27°)
OKLab	oklab(31.3% -0.0012 -0.1146)
OKLCH	oklch(31.3% 0.115 269.4)
XYZ	xyz(3.8456, 2.8591, 13.9821)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B296A #6A5C1B

analogous

#1B506A #1B296A #341B6A

triadic

#1B296A #6A1B29 #296A1B

tetradic

#1B296A #6A1B50 #6A5C1B #1B6A34

square

#1B296A #6A1B50 #6A5C1B #1B6A34

split-complementary

#1B296A #6A341B #506A1B

monochromatic

#060918 #0F1639 #1B296A #273C9B #344FCB

Accessibility & contrast

On white

13.36

#1B296A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1B296A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B296A

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B296A	#FFFFFF	#000000	##FFFFFF
##1B296A	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336C

Deuteranopia (green-blind)

#002C69

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b296a;
/* rgb */ color: rgb(27, 41, 106);
/* oklch */ color: oklch(31.3% 0.115 269.4);

Tailwind

colors: {
  custom: {
    50: '#636295',
    500: '#1b296a',
    950: '#000000',
  },
}

SCSS

$custom: #1b296a;
$custom-light: #636295;
$custom-dark: #000000;

JSON

{
  "hex": "#1b296a",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 106
  },
  "hsl": {
    "h": 229.367,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.31297,
    "c": 0.1146,
    "h": 269.4
  },
  "luminance": 0.02859
}

Semantic roles & 50–950 ramp

primary

#1B296A

secondary

#9F8F42

accent

#C745E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1B296A

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

Preview Lab → · Contrast checker → · Palette generator →