#1C2B82#1C2B82

#1C2B82 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.146 H 269.2°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B82
RGB	rgb(28, 43, 130)
HSL	hsl(231, 65%, 31%)
HSV	hsv(231, 78%, 51%)
CMYK	cmyk(78.5%, 66.9%, 0%, 49%)
CIE-LAB	lab(22.25, 26.99, -50.56)
CIE-LCH	lch(22.25, 57.31, 298.10°)
OKLab	oklab(34.04% -0.0021 -0.1462)
OKLCH	oklch(34.04% 0.146 269.2)
XYZ	xyz(5.3706, 3.5857, 21.5238)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B82 #82731C

analogous

#1C5E82 #1C2B82 #401C82

triadic

#1C2B82 #821C2B #2B821C

tetradic

#1C2B82 #821C5E #82731C #1C8240

square

#1C2B82 #821C5E #82731C #1C8240

split-complementary

#1C2B82 #82401C #5E821C

monochromatic

#060A1D #111A50 #1C2B82 #273CB4 #4258D6

Accessibility & contrast

On white

12.23

#1C2B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1C2B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B82

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B82	#FFFFFF	#000000	##FFFFFF
##1C2B82	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003080

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2b82;
/* rgb */ color: rgb(28, 43, 130);
/* oklch */ color: oklch(34.0% 0.146 269.2);

Tailwind

colors: {
  custom: {
    50: '#6a64a7',
    500: '#1c2b82',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b82;
$custom-light: #6a64a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b82",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 130
  },
  "hsl": {
    "h": 231.176,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34045,
    "c": 0.14626,
    "h": 269.2
  },
  "luminance": 0.03586
}

Semantic roles & 50–950 ramp

primary

#1C2B82

secondary

#B5A544

accent

#CF40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070510

muted

#7A7A7F

Preview Lab

Preview with #1C2B82

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

Preview Lab → · Contrast checker → · Palette generator →