#1C1D97#1C1D97

#1C1D97 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.188 H 270.3°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C1D97
RGB	rgb(28, 29, 151)
HSL	hsl(240, 69%, 35%)
HSV	hsv(240, 81%, 59%)
CMYK	cmyk(81.5%, 80.8%, 0%, 40.8%)
CIE-LAB	lab(21.43, 43.16, -65.00)
CIE-LCH	lch(21.43, 78.02, 303.59°)
OKLab	oklab(34.13% 0.0011 -0.1882)
OKLCH	oklch(34.13% 0.188 270.3)
XYZ	xyz(6.5023, 3.3592, 29.5779)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1D97 #97961C

analogous

#1C5B97 #1C1D97 #581C97

triadic

#1C1D97 #971C1D #1D971C

tetradic

#1C1D97 #971C5B #97961C #1C9758

square

#1C1D97 #971C5B #97961C #1C9758

split-complementary

#1C1D97 #97581C #5B971C

monochromatic

#090930 #121363 #1C1D97 #2627CB #4F50DE

Accessibility & contrast

On white

12.56

#1C1D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1C1D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D97

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1D97	#FFFFFF	#000000	##FFFFFF
##1C1D97	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002D95

Tritanopia (blue-blind)

#00435A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c1d97;
/* rgb */ color: rgb(28, 29, 151);
/* oklch */ color: oklch(34.1% 0.188 270.3);

Tailwind

colors: {
  custom: {
    50: '#715cb7',
    500: '#1c1d97',
    950: '#000000',
  },
}

SCSS

$custom: #1c1d97;
$custom-light: #715cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1d97",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 151
  },
  "hsl": {
    "h": 239.512,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34129,
    "c": 0.18821,
    "h": 270.3
  },
  "luminance": 0.0336
}

Semantic roles & 50–950 ramp

primary

#1C1D97

secondary

#C1C04E

accent

#EA3CEC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C1D97

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

Preview Lab → · Contrast checker → · Palette generator →