#1C2C91#1C2C91

#1C2C91 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.7% C 0.165 H 268.7°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C91
RGB	rgb(28, 44, 145)
HSL	hsl(232, 68%, 34%)
HSV	hsv(232, 81%, 57%)
CMYK	cmyk(80.7%, 69.7%, 0%, 43.1%)
CIE-LAB	lab(23.97, 32.05, -57.09)
CIE-LCH	lch(23.97, 65.47, 299.31°)
OKLab	oklab(35.75% -0.0038 -0.1653)
OKLCH	oklch(35.75% 0.165 268.7)
XYZ	xyz(6.4886, 4.0918, 27.2304)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C91 #91811C

analogous

#1C6791 #1C2C91 #471C91

triadic

#1C2C91 #911C2C #2C911C

tetradic

#1C2C91 #911C67 #91811C #1C9147

square

#1C2C91 #911C67 #91811C #1C9147

split-complementary

#1C2C91 #91471C #67911C

monochromatic

#080D2A #121C5E #1C2C91 #263CC4 #4B5FDC

Accessibility & contrast

On white

11.55

#1C2C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1C2C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C91

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C91	#FFFFFF	#000000	##FFFFFF
##1C2C91	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F94

Deuteranopia (green-blind)

#00338F

Tritanopia (blue-blind)

#00485B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c2c91;
/* rgb */ color: rgb(28, 44, 145);
/* oklch */ color: oklch(35.7% 0.165 268.7);

Tailwind

colors: {
  custom: {
    50: '#6e65b2',
    500: '#1c2c91',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c91;
$custom-light: #6e65b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c91",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 145
  },
  "hsl": {
    "h": 231.795,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35748,
    "c": 0.16536,
    "h": 268.7
  },
  "luminance": 0.04093
}

Semantic roles & 50–950 ramp

primary

#1C2C91

secondary

#BEAF4A

accent

#D33DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1C2C91

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

Preview Lab → · Contrast checker → · Palette generator →