#1F2C7D#1F2C7D

#1F2C7D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.137 H 270.2°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C7D
RGB	rgb(31, 44, 125)
HSL	hsl(232, 60%, 31%)
HSV	hsv(232, 75%, 49%)
CMYK	cmyk(75.2%, 64.8%, 0%, 51%)
CIE-LAB	lab(22.21, 24.72, -47.47)
CIE-LCH	lch(22.21, 53.52, 297.51°)
OKLab	oklab(33.91% 0.0005 -0.1371)
OKLCH	oklch(33.91% 0.137 270.2)
XYZ	xyz(5.1662, 3.5728, 19.8154)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C7D #7D701F

analogous

#1F5B7D #1F2C7D #411F7D

triadic

#1F2C7D #7D1F2C #2C7D1F

tetradic

#1F2C7D #7D1F5B #7D701F #1F7D41

square

#1F2C7D #7D1F5B #7D701F #1F7D41

split-complementary

#1F2C7D #7D411F #5B7D1F

monochromatic

#07091B #131B4C #1F2C7D #2B3DAE #4559D1

Accessibility & contrast

On white

12.25

#1F2C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F2C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C7D

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C7D	#FFFFFF	#000000	##FFFFFF
##1F2C7D	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2c7d;
/* rgb */ color: rgb(31, 44, 125);
/* oklch */ color: oklch(33.9% 0.137 270.2);

Tailwind

colors: {
  custom: {
    50: '#6a65a3',
    500: '#1f2c7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c7d;
$custom-light: #6a65a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c7d",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 125
  },
  "hsl": {
    "h": 231.702,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3391,
    "c": 0.13712,
    "h": 270.2
  },
  "luminance": 0.03573
}

Semantic roles & 50–950 ramp

primary

#1F2C7D

secondary

#B0A248

accent

#CD44E3

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1F2C7D

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

Preview Lab → · Contrast checker → · Palette generator →