#1C1E91#1C1E91

#1C1E91 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.180 H 270.6°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#1C1E91
RGB	rgb(28, 30, 145)
HSL	hsl(239, 68%, 34%)
HSV	hsv(239, 81%, 57%)
CMYK	cmyk(80.7%, 79.3%, 0%, 43.1%)
CIE-LAB	lab(20.90, 40.61, -62.16)
CIE-LCH	lch(20.90, 74.25, 303.16°)
OKLab	oklab(33.55% 0.002 -0.18)
OKLCH	oklch(33.55% 0.18 270.6)
XYZ	xyz(6.0523, 3.2191, 27.0849)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1E91 #918F1C

analogous

#1C5991 #1C1E91 #551C91

triadic

#1C1E91 #911C1E #1E911C

tetradic

#1C1E91 #911C59 #918F1C #1C9155

square

#1C1E91 #911C59 #918F1C #1C9155

split-complementary

#1C1E91 #91551C #59911C

monochromatic

#08092A #12135E #1C1E91 #2629C4 #4B4EDC

Accessibility & contrast

On white

12.77

#1C1E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1C1E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1E91

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1E91	#FFFFFF	#000000	##FFFFFF
##1C1E91	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003894

Deuteranopia (green-blind)

#002C8F

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c1e91;
/* rgb */ color: rgb(28, 30, 145);
/* oklch */ color: oklch(33.6% 0.180 270.6);

Tailwind

colors: {
  custom: {
    50: '#6f5cb3',
    500: '#1c1e91',
    950: '#000000',
  },
}

SCSS

$custom: #1c1e91;
$custom-light: #6f5cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1e91",
  "rgb": {
    "r": 28,
    "g": 30,
    "b": 145
  },
  "hsl": {
    "h": 238.974,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33551,
    "c": 0.18001,
    "h": 270.6
  },
  "luminance": 0.0322
}

Semantic roles & 50–950 ramp

primary

#1C1E91

secondary

#BEBC4A

accent

#E83DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C1E91

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

Preview Lab → · Contrast checker → · Palette generator →