#1F2C7C#1F2C7C

#1F2C7C is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.8% C 0.136 H 270.2°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C7C
RGB	rgb(31, 44, 124)
HSL	hsl(232, 60%, 30%)
HSV	hsv(232, 75%, 49%)
CMYK	cmyk(75%, 64.5%, 0%, 51.4%)
CIE-LAB	lab(22.11, 24.33, -46.98)
CIE-LCH	lch(22.11, 52.91, 297.38°)
OKLab	oklab(33.82% 0.0005 -0.1357)
OKLCH	oklch(33.82% 0.136 270.2)
XYZ	xyz(5.1026, 3.5474, 19.4807)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C7C #7C6F1F

analogous

#1F5A7C #1F2C7C #401F7C

triadic

#1F2C7C #7C1F2C #2C7C1F

tetradic

#1F2C7C #7C1F5A #7C6F1F #1F7C40

square

#1F2C7C #7C1F5A #7C6F1F #1F7C40

split-complementary

#1F2C7C #7C401F #5A7C1F

monochromatic

#07091A #131B4B #1F2C7C #2B3DAD #4558D0

Accessibility & contrast

On white

12.28

#1F2C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F2C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C7C

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C7C	#FFFFFF	#000000	##FFFFFF
##1F2C7C	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397F

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2c7c;
/* rgb */ color: rgb(31, 44, 124);
/* oklch */ color: oklch(33.8% 0.136 270.2);

Tailwind

colors: {
  custom: {
    50: '#6965a3',
    500: '#1f2c7c',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c7c;
$custom-light: #6965a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c7c",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 124
  },
  "hsl": {
    "h": 231.613,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33815,
    "c": 0.13569,
    "h": 270.2
  },
  "luminance": 0.03548
}

Semantic roles & 50–950 ramp

primary

#1F2C7C

secondary

#AFA148

accent

#CD45E3

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1F2C7C

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

Preview Lab → · Contrast checker → · Palette generator →