#1C1EA9#1C1EA9

#1C1EA9 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.4% C 0.209 H 269.2°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C1EA9
RGB	rgb(28, 30, 169)
HSL	hsl(239, 72%, 39%)
HSV	hsv(239, 83%, 66%)
CMYK	cmyk(83.4%, 82.2%, 0%, 33.7%)
CIE-LAB	lab(23.80, 48.50, -72.04)
CIE-LCH	lch(23.80, 86.85, 303.95°)
OKLab	oklab(36.42% -0.0028 -0.2086)
OKLCH	oklch(36.42% 0.209 269.2)
XYZ	xyz(8.1021, 4.0390, 37.8810)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1EA9 #A9A71C

analogous

#1C64A9 #1C1EA9 #601CA9

triadic

#1C1EA9 #A91C1E #1EA91C

tetradic

#1C1EA9 #A91C64 #A9A71C #1CA960

square

#1C1EA9 #A91C64 #A9A71C #1CA960

split-complementary

#1C1EA9 #A9601C #64A91C

monochromatic

#0B0B40 #131574 #1C1EA9 #272ADB #5B5DE4

Accessibility & contrast

On white

11.62

#1C1EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C1EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1EA9

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1EA9	#FFFFFF	#000000	##FFFFFF
##1C1EA9	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AD

Deuteranopia (green-blind)

#0031A7

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c1ea9;
/* rgb */ color: rgb(28, 30, 169);
/* oklch */ color: oklch(36.4% 0.209 269.2);

Tailwind

colors: {
  custom: {
    50: '#765ec4',
    500: '#1c1ea9',
    950: '#000000',
  },
}

SCSS

$custom: #1c1ea9;
$custom-light: #765ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1ea9",
  "rgb": {
    "r": 28,
    "g": 30,
    "b": 169
  },
  "hsl": {
    "h": 239.149,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36415,
    "c": 0.20864,
    "h": 269.2
  },
  "luminance": 0.0404
}

Semantic roles & 50–950 ramp

primary

#1C1EA9

secondary

#C8C659

accent

#EC39EE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0A0413

muted

#7C7982

Preview Lab

Preview with #1C1EA9

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

Preview Lab → · Contrast checker → · Palette generator →