#1C2390#1C2390

#1C2390 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.174 H 270.1°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C2390
RGB	rgb(28, 35, 144)
HSL	hsl(236, 67%, 34%)
HSV	hsv(236, 81%, 56%)
CMYK	cmyk(80.6%, 75.7%, 0%, 43.5%)
CIE-LAB	lab(21.81, 37.36, -60.04)
CIE-LCH	lch(21.81, 70.72, 301.89°)
OKLab	oklab(34.16% 0.0004 -0.1739)
OKLCH	oklch(34.16% 0.174 270.1)
XYZ	xyz(6.1122, 3.4619, 26.7262)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2390 #90891C

analogous

#1C5D90 #1C2390 #4F1C90

triadic

#1C2390 #901C23 #23901C

tetradic

#1C2390 #901C5D #90891C #1C904F

square

#1C2390 #901C5D #90891C #1C904F

split-complementary

#1C2390 #904F1C #5D901C

monochromatic

#080A2A #12175D #1C2390 #262FC3 #4A53DC

Accessibility & contrast

On white

12.41

#1C2390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2390

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2390	#FFFFFF	#000000	##FFFFFF
##1C2390	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A93

Deuteranopia (green-blind)

#002E8E

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2390;
/* rgb */ color: rgb(28, 35, 144);
/* oklch */ color: oklch(34.2% 0.174 270.1);

Tailwind

colors: {
  custom: {
    50: '#6f5fb2',
    500: '#1c2390',
    950: '#000000',
  },
}

SCSS

$custom: #1c2390;
$custom-light: #6f5fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2390",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 144
  },
  "hsl": {
    "h": 236.379,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34158,
    "c": 0.17391,
    "h": 270.1
  },
  "luminance": 0.03463
}

Semantic roles & 50–950 ramp

primary

#1C2390

secondary

#BEB74A

accent

#E03DEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C2390

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

Preview Lab → · Contrast checker → · Palette generator →