#1C1E9F#1C1E9F

#1C1E9F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.197 H 269.8°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C1E9F
RGB	rgb(28, 30, 159)
HSL	hsl(239, 70%, 37%)
HSV	hsv(239, 82%, 62%)
CMYK	cmyk(82.4%, 81.1%, 0%, 37.6%)
CIE-LAB	lab(22.58, 45.27, -68.00)
CIE-LCH	lch(22.58, 81.69, 303.65°)
OKLab	oklab(35.21% -0.0008 -0.1969)
OKLCH	oklch(35.21% 0.197 269.8)
XYZ	xyz(7.1990, 3.6778, 33.1246)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1E9F #9F9D1C

analogous

#1C609F #1C1E9F #5C1C9F

triadic

#1C1E9F #9F1C1E #1E9F1C

tetradic

#1C1E9F #9F1C60 #9F9D1C #1C9F5C

square

#1C1E9F #9F1C60 #9F9D1C #1C9F5C

split-complementary

#1C1E9F #9F5C1C #609F1C

monochromatic

#0A0A37 #13146B #1C1E9F #2528D3 #5457E1

Accessibility & contrast

On white

12.10

#1C1E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C1E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1E9F

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1E9F	#FFFFFF	#000000	##FFFFFF
##1C1E9F	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#002F9D

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c1e9f;
/* rgb */ color: rgb(28, 30, 159);
/* oklch */ color: oklch(35.2% 0.197 269.8);

Tailwind

colors: {
  custom: {
    50: '#735dbd',
    500: '#1c1e9f',
    950: '#000000',
  },
}

SCSS

$custom: #1c1e9f;
$custom-light: #735dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1e9f",
  "rgb": {
    "r": 28,
    "g": 30,
    "b": 159
  },
  "hsl": {
    "h": 239.084,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35211,
    "c": 0.19692,
    "h": 269.8
  },
  "luminance": 0.03679
}

Semantic roles & 50–950 ramp

primary

#1C1E9F

secondary

#C4C253

accent

#EA3BED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C1E9F

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

Preview Lab → · Contrast checker → · Palette generator →