#1C2A7C#1C2A7C

#1C2A7C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.139 H 269.5°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A7C
RGB	rgb(28, 42, 124)
HSL	hsl(231, 63%, 30%)
HSV	hsv(231, 77%, 49%)
CMYK	cmyk(77.4%, 66.1%, 0%, 51.4%)
CIE-LAB	lab(21.42, 25.34, -48.12)
CIE-LCH	lch(21.42, 54.38, 297.77°)
OKLab	oklab(33.26% -0.0012 -0.1391)
OKLCH	oklch(33.26% 0.139 269.5)
XYZ	xyz(4.9437, 3.3575, 19.4524)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A7C #7C6E1C

analogous

#1C5A7C #1C2A7C #3E1C7C

triadic

#1C2A7C #7C1C2A #2A7C1C

tetradic

#1C2A7C #7C1C5A #7C6E1C #1C7C3E

square

#1C2A7C #7C1C5A #7C6E1C #1C7C3E

split-complementary

#1C2A7C #7C3E1C #5A7C1C

monochromatic

#060819 #11194A #1C2A7C #273BAE #3F55D4

Accessibility & contrast

On white

12.56

#1C2A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1C2A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A7C

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A7C	#FFFFFF	#000000	##FFFFFF
##1C2A7C	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2a7c;
/* rgb */ color: rgb(28, 42, 124);
/* oklch */ color: oklch(33.3% 0.139 269.5);

Tailwind

colors: {
  custom: {
    50: '#6863a3',
    500: '#1c2a7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a7c;
$custom-light: #6863a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a7c",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 124
  },
  "hsl": {
    "h": 231.25,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33261,
    "c": 0.13913,
    "h": 269.5
  },
  "luminance": 0.03358
}

Semantic roles & 50–950 ramp

primary

#1C2A7C

secondary

#B0A044

accent

#CE42E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2A7C

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

Preview Lab → · Contrast checker → · Palette generator →