#1F2C7F#1F2C7F

#1F2C7F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.1% C 0.140 H 270.2°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C7F
RGB	rgb(31, 44, 127)
HSL	hsl(232, 61%, 31%)
HSV	hsv(232, 76%, 50%)
CMYK	cmyk(75.6%, 65.4%, 0%, 50.2%)
CIE-LAB	lab(22.39, 25.50, -48.43)
CIE-LCH	lch(22.39, 54.73, 297.76°)
OKLab	oklab(34.1% 0.0004 -0.1399)
OKLCH	oklch(34.1% 0.14 270.2)
XYZ	xyz(5.2952, 3.6244, 20.4951)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C7F #7F721F

analogous

#1F5C7F #1F2C7F #421F7F

triadic

#1F2C7F #7F1F2C #2C7F1F

tetradic

#1F2C7F #7F1F5C #7F721F #1F7F42

square

#1F2C7F #7F1F5C #7F721F #1F7F42

split-complementary

#1F2C7F #7F421F #5C7F1F

monochromatic

#070A1D #131B4E #1F2C7F #2B3DB0 #4659D2

Accessibility & contrast

On white

12.17

#1F2C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1F2C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C7F

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C7F	#FFFFFF	#000000	##FFFFFF
##1F2C7F	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A82

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2c7f;
/* rgb */ color: rgb(31, 44, 127);
/* oklch */ color: oklch(34.1% 0.140 270.2);

Tailwind

colors: {
  custom: {
    50: '#6a65a5',
    500: '#1f2c7f',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c7f;
$custom-light: #6a65a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c7f",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 127
  },
  "hsl": {
    "h": 231.875,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34102,
    "c": 0.13995,
    "h": 270.2
  },
  "luminance": 0.03625
}

Semantic roles & 50–950 ramp

primary

#1F2C7F

secondary

#B2A448

accent

#CE44E4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1F2C7F

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

Preview Lab → · Contrast checker → · Palette generator →