#1C2B7C#1C2B7C

#1C2B7C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.138 H 269.2°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B7C
RGB	rgb(28, 43, 124)
HSL	hsl(231, 63%, 30%)
HSV	hsv(231, 77%, 49%)
CMYK	cmyk(77.4%, 65.3%, 0%, 51.4%)
CIE-LAB	lab(21.69, 24.65, -47.69)
CIE-LCH	lch(21.69, 53.68, 297.33°)
OKLab	oklab(33.46% -0.0019 -0.1378)
OKLCH	oklch(33.46% 0.138 269.2)
XYZ	xyz(4.9796, 3.4293, 19.4644)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B7C #7C6D1C

analogous

#1C5B7C #1C2B7C #3D1C7C

triadic

#1C2B7C #7C1C2B #2B7C1C

tetradic

#1C2B7C #7C1C5B #7C6D1C #1C7C3D

square

#1C2B7C #7C1C5B #7C6D1C #1C7C3D

split-complementary

#1C2B7C #7C3D1C #5B7C1C

monochromatic

#060919 #111A4A #1C2B7C #273CAE #3F56D4

Accessibility & contrast

On white

12.46

#1C2B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B7C

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B7C	#FFFFFF	#000000	##FFFFFF
##1C2B7C	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2b7c;
/* rgb */ color: rgb(28, 43, 124);
/* oklch */ color: oklch(33.5% 0.138 269.2);

Tailwind

colors: {
  custom: {
    50: '#6864a3',
    500: '#1c2b7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b7c;
$custom-light: #6864a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b7c",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 124
  },
  "hsl": {
    "h": 230.625,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33456,
    "c": 0.13785,
    "h": 269.2
  },
  "luminance": 0.0343
}

Semantic roles & 50–950 ramp

primary

#1C2B7C

secondary

#B09F44

accent

#CC42E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2B7C

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

Preview Lab → · Contrast checker → · Palette generator →