#1B2A6D#1B2A6D

#1B2A6D is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.8% C 0.118 H 269.0°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B2A6D
RGB	rgb(27, 42, 109)
HSL	hsl(229, 60%, 27%)
HSV	hsv(229, 75%, 43%)
CMYK	cmyk(75.2%, 61.5%, 0%, 57.3%)
CIE-LAB	lab(20.01, 19.25, -40.81)
CIE-LCH	lch(20.01, 45.12, 295.25°)
OKLab	oklab(31.78% -0.002 -0.1177)
OKLCH	oklch(31.78% 0.118 269)
XYZ	xyz(4.0393, 2.9927, 14.8298)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2A6D #6D5E1B

analogous

#1B536D #1B2A6D #351B6D

triadic

#1B2A6D #6D1B2A #2A6D1B

tetradic

#1B2A6D #6D1B53 #6D5E1B #1B6D35

square

#1B2A6D #6D1B53 #6D5E1B #1B6D35

split-complementary

#1B2A6D #6D351B #536D1B

monochromatic

#060919 #0F173C #1B2A6D #273D9E #3551CD

Accessibility & contrast

On white

13.14

#1B2A6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1B2A6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2A6D

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2A6D	#FFFFFF	#000000	##FFFFFF
##1B2A6D	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346F

Deuteranopia (green-blind)

#002D6C

Tritanopia (blue-blind)

#003B47

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b2a6d;
/* rgb */ color: rgb(27, 42, 109);
/* oklch */ color: oklch(31.8% 0.118 269.0);

Tailwind

colors: {
  custom: {
    50: '#646397',
    500: '#1b2a6d',
    950: '#000000',
  },
}

SCSS

$custom: #1b2a6d;
$custom-light: #646397;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2a6d",
  "rgb": {
    "r": 27,
    "g": 42,
    "b": 109
  },
  "hsl": {
    "h": 229.024,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31783,
    "c": 0.11771,
    "h": 269
  },
  "luminance": 0.02993
}

Semantic roles & 50–950 ramp

primary

#1B2A6D

secondary

#A29042

accent

#C644E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1B2A6D

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

Preview Lab → · Contrast checker → · Palette generator →