#1C1EA1#1C1EA1

#1C1EA1 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.199 H 269.7°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#1C1EA1
RGB	rgb(28, 30, 161)
HSL	hsl(239, 70%, 37%)
HSV	hsv(239, 83%, 63%)
CMYK	cmyk(82.6%, 81.4%, 0%, 36.9%)
CIE-LAB	lab(22.82, 45.93, -68.82)
CIE-LCH	lch(22.82, 82.73, 303.72°)
OKLab	oklab(35.45% -0.0012 -0.1993)
OKLCH	oklch(35.45% 0.199 269.7)
XYZ	xyz(7.3740, 3.7478, 34.0461)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1EA1 #A19F1C

analogous

#1C60A1 #1C1EA1 #5D1CA1

triadic

#1C1EA1 #A11C1E #1EA11C

tetradic

#1C1EA1 #A11C60 #A19F1C #1CA15D

square

#1C1EA1 #A11C60 #A19F1C #1CA15D

split-complementary

#1C1EA1 #A15D1C #60A11C

monochromatic

#0A0B39 #13146D #1C1EA1 #2528D5 #5658E2

Accessibility & contrast

On white

12.00

#1C1EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C1EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1EA1

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1EA1	#FFFFFF	#000000	##FFFFFF
##1C1EA1	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#002F9F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c1ea1;
/* rgb */ color: rgb(28, 30, 161);
/* oklch */ color: oklch(35.4% 0.199 269.7);

Tailwind

colors: {
  custom: {
    50: '#745dbe',
    500: '#1c1ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1c1ea1;
$custom-light: #745dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1ea1",
  "rgb": {
    "r": 28,
    "g": 30,
    "b": 161
  },
  "hsl": {
    "h": 239.098,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3545,
    "c": 0.19929,
    "h": 269.7
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary

#1C1EA1

secondary

#C5C354

accent

#EA3BED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C1EA1

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

Preview Lab → · Contrast checker → · Palette generator →