#1C2A7F#1C2A7F

#1C2A7F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.143 H 269.5°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A7F
RGB	rgb(28, 42, 127)
HSL	hsl(232, 64%, 30%)
HSV	hsv(232, 78%, 50%)
CMYK	cmyk(78%, 66.9%, 0%, 50.2%)
CIE-LAB	lab(21.71, 26.51, -49.56)
CIE-LCH	lch(21.71, 56.20, 298.14°)
OKLab	oklab(33.56% -0.0013 -0.1433)
OKLCH	oklch(33.56% 0.143 269.5)
XYZ	xyz(5.1363, 3.4346, 20.4668)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A7F #7F711C

analogous

#1C5B7F #1C2A7F #3F1C7F

triadic

#1C2A7F #7F1C2A #2A7F1C

tetradic

#1C2A7F #7F1C5B #7F711C #1C7F3F

square

#1C2A7F #7F1C5B #7F711C #1C7F3F

split-complementary

#1C2A7F #7F3F1C #5B7F1C

monochromatic

#06091B #11194D #1C2A7F #273BB1 #4055D5

Accessibility & contrast

On white

12.45

#1C2A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A7F

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A7F	#FFFFFF	#000000	##FFFFFF
##1C2A7F	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2a7f;
/* rgb */ color: rgb(28, 42, 127);
/* oklch */ color: oklch(33.6% 0.143 269.5);

Tailwind

colors: {
  custom: {
    50: '#6963a5',
    500: '#1c2a7f',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a7f;
$custom-light: #6963a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a7f",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 127
  },
  "hsl": {
    "h": 231.515,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33557,
    "c": 0.14333,
    "h": 269.5
  },
  "luminance": 0.03435
}

Semantic roles & 50–950 ramp

primary

#1C2A7F

secondary

#B3A344

accent

#CF41E7

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2A7F

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

Preview Lab → · Contrast checker → · Palette generator →