#1F2F82#1F2F82

#1F2F82 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.0% C 0.140 H 269.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F2F82
RGB	rgb(31, 47, 130)
HSL	hsl(230, 61%, 32%)
HSV	hsv(230, 76%, 51%)
CMYK	cmyk(76.2%, 63.8%, 0%, 49%)
CIE-LAB	lab(23.46, 24.60, -48.58)
CIE-LCH	lch(23.46, 54.45, 296.86°)
OKLab	oklab(34.97% -0.0018 -0.1403)
OKLCH	oklch(34.97% 0.14 269.3)
XYZ	xyz(5.6095, 3.9354, 21.5788)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2F82 #82721F

analogous

#1F6182 #1F2F82 #411F82

triadic

#1F2F82 #821F2F #2F821F

tetradic

#1F2F82 #821F61 #82721F #1F8241

square

#1F2F82 #821F61 #82721F #1F8241

split-complementary

#1F2F82 #82411F #61821F

monochromatic

#070B1F #131D51 #1F2F82 #2B41B3 #485FD3

Accessibility & contrast

On white

11.75

#1F2F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1F2F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2F82

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2F82	#FFFFFF	#000000	##FFFFFF
##1F2F82	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D85

Deuteranopia (green-blind)

#003380

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2f82;
/* rgb */ color: rgb(31, 47, 130);
/* oklch */ color: oklch(35.0% 0.140 269.3);

Tailwind

colors: {
  custom: {
    50: '#6b67a7',
    500: '#1f2f82',
    950: '#000000',
  },
}

SCSS

$custom: #1f2f82;
$custom-light: #6b67a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2f82",
  "rgb": {
    "r": 31,
    "g": 47,
    "b": 130
  },
  "hsl": {
    "h": 230.303,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34974,
    "c": 0.14035,
    "h": 269.3
  },
  "luminance": 0.03936
}

Semantic roles & 50–950 ramp

primary

#1F2F82

secondary

#B5A348

accent

#CB43E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #1F2F82

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

Preview Lab → · Contrast checker → · Palette generator →