#1F1EA1#1F1EA1

#1F1EA1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.199 H 270.6°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F1EA1
RGB	rgb(31, 30, 161)
HSL	hsl(240, 69%, 37%)
HSV	hsv(240, 81%, 63%)
CMYK	cmyk(80.7%, 81.4%, 0%, 36.9%)
CIE-LAB	lab(22.97, 46.10, -68.56)
CIE-LCH	lch(22.97, 82.61, 303.91°)
OKLab	oklab(35.6% 0.002 -0.1985)
OKLCH	oklch(35.6% 0.199 270.6)
XYZ	xyz(7.4602, 3.7922, 34.0501)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1EA1 #A0A11E

analogous

#1E5FA1 #1F1EA1 #611EA1

triadic

#1F1EA1 #A11F1E #1EA11F

tetradic

#1F1EA1 #A11E5F #A0A11E #1EA161

square

#1F1EA1 #A11E5F #A0A11E #1EA161

split-complementary

#1F1EA1 #A1611E #5FA11E

monochromatic

#0B0B3A #15146D #1F1EA1 #2928D5 #5A59E0

Accessibility & contrast

On white

11.94

#1F1EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F1EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1EA1

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1EA1	#FFFFFF	#000000	##FFFFFF
##1F1EA1	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f1ea1;
/* rgb */ color: rgb(31, 30, 161);
/* oklch */ color: oklch(35.6% 0.199 270.6);

Tailwind

colors: {
  custom: {
    50: '#745dbe',
    500: '#1f1ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1f1ea1;
$custom-light: #745dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1ea1",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 161
  },
  "hsl": {
    "h": 240.458,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.35599,
    "c": 0.1985,
    "h": 270.6
  },
  "luminance": 0.03793
}

Semantic roles & 50–950 ramp

primary

#1F1EA1

secondary

#C3C457

accent

#EB3CEA

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F1EA1

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

Preview Lab → · Contrast checker → · Palette generator →