#1F2D66#1F2D66

#1F2D66 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.1% C 0.102 H 269.5°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D66
RGB	rgb(31, 45, 102)
HSL	hsl(228, 53%, 26%)
HSV	hsv(228, 70%, 40%)
CMYK	cmyk(69.6%, 55.9%, 0%, 60%)
CIE-LAB	lab(20.55, 14.95, -35.39)
CIE-LCH	lch(20.55, 38.41, 292.90°)
OKLab	oklab(32.06% -0.0009 -0.1016)
OKLCH	oklch(32.06% 0.102 269.5)
XYZ	xyz(3.9009, 3.1270, 12.9658)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D66 #66581F

analogous

#1F5066 #1F2D66 #341F66

triadic

#1F2D66 #661F2D #2D661F

tetradic

#1F2D66 #661F50 #66581F #1F6634

square

#1F2D66 #661F50 #66581F #1F6634

split-complementary

#1F2D66 #66341F #50661F

monochromatic

#070A17 #111837 #1F2D66 #2D4295 #3C57C4

Accessibility & contrast

On white

12.92

#1F2D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1F2D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D66

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D66	#FFFFFF	#000000	##FFFFFF
##1F2D66	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083568

Deuteranopia (green-blind)

#002E65

Tritanopia (blue-blind)

#003A44

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2d66;
/* rgb */ color: rgb(31, 45, 102);
/* oklch */ color: oklch(32.1% 0.102 269.5);

Tailwind

colors: {
  custom: {
    50: '#646592',
    500: '#1f2d66',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d66;
$custom-light: #646592;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d66",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 102
  },
  "hsl": {
    "h": 228.169,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.32063,
    "c": 0.10161,
    "h": 269.5
  },
  "luminance": 0.03127
}

Semantic roles & 50–950 ramp

primary

#1F2D66

secondary

#9A8A46

accent

#C04BDD

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #1F2D66

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

Preview Lab → · Contrast checker → · Palette generator →