#1C2491#1C2491

#1C2491 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.4% C 0.174 H 269.9°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#1C2491
RGB	rgb(28, 36, 145)
HSL	hsl(236, 68%, 34%)
HSV	hsv(236, 81%, 57%)
CMYK	cmyk(80.7%, 75.2%, 0%, 43.1%)
CIE-LAB	lab(22.13, 37.11, -60.12)
CIE-LCH	lch(22.13, 70.66, 301.69°)
OKLab	oklab(34.42% -0.0002 -0.1741)
OKLCH	oklch(34.42% 0.174 269.9)
XYZ	xyz(6.2189, 3.5523, 27.1405)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2491 #91891C

analogous

#1C5F91 #1C2491 #4F1C91

triadic

#1C2491 #911C24 #24911C

tetradic

#1C2491 #911C5F #91891C #1C914F

square

#1C2491 #911C5F #91891C #1C914F

split-complementary

#1C2491 #914F1C #5F911C

monochromatic

#080B2A #12175E #1C2491 #2631C4 #4B55DC

Accessibility & contrast

On white

12.28

#1C2491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1C2491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2491

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2491	#FFFFFF	#000000	##FFFFFF
##1C2491	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B94

Deuteranopia (green-blind)

#002F8F

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2491;
/* rgb */ color: rgb(28, 36, 145);
/* oklch */ color: oklch(34.4% 0.174 269.9);

Tailwind

colors: {
  custom: {
    50: '#6f60b2',
    500: '#1c2491',
    950: '#000000',
  },
}

SCSS

$custom: #1c2491;
$custom-light: #6f60b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2491",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 145
  },
  "hsl": {
    "h": 235.897,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34423,
    "c": 0.17415,
    "h": 269.9
  },
  "luminance": 0.03553
}

Semantic roles & 50–950 ramp

primary

#1C2491

secondary

#BEB74A

accent

#DF3DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1C2491

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

Preview Lab → · Contrast checker → · Palette generator →