#1F2D7D#1F2D7D

#1F2D7D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.1% C 0.136 H 269.9°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D7D
RGB	rgb(31, 45, 125)
HSL	hsl(231, 60%, 31%)
HSV	hsv(231, 75%, 49%)
CMYK	cmyk(75.2%, 64%, 0%, 51%)
CIE-LAB	lab(22.47, 24.03, -47.03)
CIE-LCH	lch(22.47, 52.81, 297.06°)
OKLab	oklab(34.11% -0.0002 -0.1358)
OKLCH	oklch(34.11% 0.136 269.9)
XYZ	xyz(5.2039, 3.6482, 19.8280)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D7D #7D6F1F

analogous

#1F5C7D #1F2D7D #401F7D

triadic

#1F2D7D #7D1F2D #2D7D1F

tetradic

#1F2D7D #7D1F5C #7D6F1F #1F7D40

square

#1F2D7D #7D1F5C #7D6F1F #1F7D40

split-complementary

#1F2D7D #7D401F #5C7D1F

monochromatic

#070A1B #131B4C #1F2D7D #2B3FAE #455AD1

Accessibility & contrast

On white

12.14

#1F2D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1F2D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D7D

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D7D	#FFFFFF	#000000	##FFFFFF
##1F2D7D	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2d7d;
/* rgb */ color: rgb(31, 45, 125);
/* oklch */ color: oklch(34.1% 0.136 269.9);

Tailwind

colors: {
  custom: {
    50: '#6965a3',
    500: '#1f2d7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d7d;
$custom-light: #6965a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d7d",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 125
  },
  "hsl": {
    "h": 231.064,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34107,
    "c": 0.13583,
    "h": 269.9
  },
  "luminance": 0.03649
}

Semantic roles & 50–950 ramp

primary

#1F2D7D

secondary

#B0A148

accent

#CC44E3

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1F2D7D

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

Preview Lab → · Contrast checker → · Palette generator →