#1F2C6E#1F2C6E

#1F2C6E is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.5% C 0.115 H 270.3°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C6E
RGB	rgb(31, 44, 110)
HSL	hsl(230, 56%, 28%)
HSV	hsv(230, 72%, 43%)
CMYK	cmyk(71.8%, 60%, 0%, 56.9%)
CIE-LAB	lab(20.90, 18.84, -40.01)
CIE-LCH	lch(20.90, 44.22, 295.21°)
OKLab	oklab(32.53% 0.0006 -0.1152)
OKLCH	oklch(32.53% 0.115 270.3)
XYZ	xyz(4.2793, 3.2180, 15.1445)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C6E #6E611F

analogous

#1F536E #1F2C6E #3A1F6E

triadic

#1F2C6E #6E1F2C #2C6E1F

tetradic

#1F2C6E #6E1F53 #6E611F #1F6E3A

square

#1F2C6E #6E1F53 #6E611F #1F6E3A

split-complementary

#1F2C6E #6E3A1F #536E1F

monochromatic

#070A18 #12193E #1F2C6E #2C3F9E #3F55C9

Accessibility & contrast

On white

12.78

#1F2C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1F2C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C6E

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C6E	#FFFFFF	#000000	##FFFFFF
##1F2C6E	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003670

Deuteranopia (green-blind)

#002F6D

Tritanopia (blue-blind)

#003C48

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f2c6e;
/* rgb */ color: rgb(31, 44, 110);
/* oklch */ color: oklch(32.5% 0.115 270.3);

Tailwind

colors: {
  custom: {
    50: '#666498',
    500: '#1f2c6e',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c6e;
$custom-light: #666498;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c6e",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 110
  },
  "hsl": {
    "h": 230.127,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.3253,
    "c": 0.11522,
    "h": 270.3
  },
  "luminance": 0.03218
}

Semantic roles & 50–950 ramp

primary

#1F2C6E

secondary

#A29347

accent

#C748DF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1F2C6E

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

Preview Lab → · Contrast checker → · Palette generator →