#1F1E8B#1F1E8B

#1F1E8B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.172 H 272.2°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#1F1E8B
RGB	rgb(31, 30, 139)
HSL	hsl(241, 64%, 33%)
HSV	hsv(241, 78%, 55%)
CMYK	cmyk(77.7%, 78.4%, 0%, 45.5%)
CIE-LAB	lab(20.37, 38.79, -59.29)
CIE-LCH	lch(20.37, 70.85, 303.19°)
OKLab	oklab(33.02% 0.0067 -0.1716)
OKLCH	oklch(33.02% 0.172 272.2)
XYZ	xyz(5.6880, 3.0833, 24.7165)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1E8B #8A8B1E

analogous

#1E548B #1F1E8B #551E8B

triadic

#1F1E8B #8B1F1E #1E8B1F

tetradic

#1F1E8B #8B1E54 #8A8B1E #1E8B55

square

#1F1E8B #8B1E54 #8A8B1E #1E8B55

split-complementary

#1F1E8B #8B551E #548B1E

monochromatic

#090826 #141359 #1F1E8B #2A29BD #4C4BD8

Accessibility & contrast

On white

12.99

#1F1E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F1E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1E8B

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1E8B	#FFFFFF	#000000	##FFFFFF
##1F1E8B	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002C89

Tritanopia (blue-blind)

#003F53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f1e8b;
/* rgb */ color: rgb(31, 30, 139);
/* oklch */ color: oklch(33.0% 0.172 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f5cae',
    500: '#1f1e8b',
    950: '#000000',
  },
}

SCSS

$custom: #1f1e8b;
$custom-light: #6f5cae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1e8b",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 139
  },
  "hsl": {
    "h": 240.55,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33022,
    "c": 0.17174,
    "h": 272.2
  },
  "luminance": 0.03084
}

Semantic roles & 50–950 ramp

primary

#1F1E8B

secondary

#BABB4A

accent

#E740E6

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #1F1E8B

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

Preview Lab → · Contrast checker → · Palette generator →