#1F2C69#1F2C69

#1F2C69 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.1% C 0.108 H 270.2°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C69
RGB	rgb(31, 44, 105)
HSL	hsl(229, 54%, 27%)
HSV	hsv(229, 70%, 41%)
CMYK	cmyk(70.5%, 58.1%, 0%, 58.8%)
CIE-LAB	lab(20.49, 16.86, -37.43)
CIE-LCH	lch(20.49, 41.05, 294.24°)
OKLab	oklab(32.1% 0.0003 -0.1076)
OKLCH	oklch(32.1% 0.108 270.2)
XYZ	xyz(4.0147, 3.1122, 13.7510)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C69 #695C1F

analogous

#1F5169 #1F2C69 #371F69

triadic

#1F2C69 #691F2C #2C691F

tetradic

#1F2C69 #691F51 #695C1F #1F6937

square

#1F2C69 #691F51 #695C1F #1F6937

split-complementary

#1F2C69 #69371F #51691F

monochromatic

#070A18 #11183A #1F2C69 #2D4098 #3D55C6

Accessibility & contrast

On white

12.94

#1F2C69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F2C69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C69

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C69	#FFFFFF	#000000	##FFFFFF
##1F2C69	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00356B

Deuteranopia (green-blind)

#002E68

Tritanopia (blue-blind)

#003B46

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2c69;
/* rgb */ color: rgb(31, 44, 105);
/* oklch */ color: oklch(32.1% 0.108 270.2);

Tailwind

colors: {
  custom: {
    50: '#656494',
    500: '#1f2c69',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c69;
$custom-light: #656494;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c69",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 105
  },
  "hsl": {
    "h": 229.459,
    "s": 54.412,
    "l": 26.667
  },
  "oklch": {
    "l": 0.32095,
    "c": 0.10764,
    "h": 270.2
  },
  "luminance": 0.03113
}

Semantic roles & 50–950 ramp

primary

#1F2C69

secondary

#9D8E47

accent

#C44ADE

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #1F2C69

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

Preview Lab → · Contrast checker → · Palette generator →