#1F1A97#1F1A97

#1F1A97 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.190 H 271.6°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F1A97
RGB	rgb(31, 26, 151)
HSL	hsl(242, 71%, 35%)
HSV	hsv(242, 83%, 59%)
CMYK	cmyk(79.5%, 82.8%, 0%, 40.8%)
CIE-LAB	lab(21.07, 44.88, -65.59)
CIE-LCH	lch(21.07, 79.47, 304.38°)
OKLab	oklab(33.92% 0.0053 -0.1898)
OKLCH	oklch(33.92% 0.19 271.6)
XYZ	xyz(6.5185, 3.2637, 29.5586)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1A97 #92971A

analogous

#1A5497 #1F1A97 #5E1A97

triadic

#1F1A97 #971F1A #1A971F

tetradic

#1F1A97 #971A54 #92971A #1A975E

square

#1F1A97 #971A54 #92971A #1A975E

split-complementary

#1F1A97 #975E1A #54971A

monochromatic

#0A082F #141163 #1F1A97 #2A23CB #514BE0

Accessibility & contrast

On white

12.71

#1F1A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1F1A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1A97

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1A97	#FFFFFF	#000000	##FFFFFF
##1F1A97	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399A

Deuteranopia (green-blind)

#002C95

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f1a97;
/* rgb */ color: rgb(31, 26, 151);
/* oklch */ color: oklch(33.9% 0.190 271.6);

Tailwind

colors: {
  custom: {
    50: '#725ab7',
    500: '#1f1a97',
    950: '#000000',
  },
}

SCSS

$custom: #1f1a97;
$custom-light: #725ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1a97",
  "rgb": {
    "r": 31,
    "g": 26,
    "b": 151
  },
  "hsl": {
    "h": 242.4,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.33925,
    "c": 0.18989,
    "h": 271.6
  },
  "luminance": 0.03264
}

Semantic roles & 50–950 ramp

primary

#1F1A97

secondary

#BDC24B

accent

#ED3AE6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1A97

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

Preview Lab → · Contrast checker → · Palette generator →