#1D1F97#1D1F97

#1D1F97 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.186 H 270.5°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D1F97
RGB	rgb(29, 31, 151)
HSL	hsl(239, 68%, 35%)
HSV	hsv(239, 81%, 59%)
CMYK	cmyk(80.8%, 79.5%, 0%, 40.8%)
CIE-LAB	lab(21.85, 42.15, -64.29)
CIE-LCH	lch(21.85, 76.88, 303.25°)
OKLab	oklab(34.44% 0.0016 -0.1862)
OKLCH	oklch(34.44% 0.186 270.5)
XYZ	xyz(6.5807, 3.4748, 29.5960)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1F97 #97951D

analogous

#1D5C97 #1D1F97 #581D97

triadic

#1D1F97 #971D1F #1F971D

tetradic

#1D1F97 #971D5C #97951D #1D9758

square

#1D1F97 #971D5C #97951D #1D9758

split-complementary

#1D1F97 #97581D #5C971D

monochromatic

#090A30 #131464 #1D1F97 #272ACA #5153DE

Accessibility & contrast

On white

12.39

#1D1F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D1F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1F97

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1F97	#FFFFFF	#000000	##FFFFFF
##1D1F97	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002E95

Tritanopia (blue-blind)

#00445B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d1f97;
/* rgb */ color: rgb(29, 31, 151);
/* oklch */ color: oklch(34.4% 0.186 270.5);

Tailwind

colors: {
  custom: {
    50: '#715db7',
    500: '#1d1f97',
    950: '#000000',
  },
}

SCSS

$custom: #1d1f97;
$custom-light: #715db7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1f97",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 151
  },
  "hsl": {
    "h": 239.016,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34441,
    "c": 0.18619,
    "h": 270.5
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#1D1F97

secondary

#C0BF4F

accent

#E83DEB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D1F97

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

Preview Lab → · Contrast checker → · Palette generator →