#1C2A7E#1C2A7E

#1C2A7E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.142 H 269.5°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A7E
RGB	rgb(28, 42, 126)
HSL	hsl(231, 64%, 30%)
HSV	hsv(231, 78%, 49%)
CMYK	cmyk(77.8%, 66.7%, 0%, 50.6%)
CIE-LAB	lab(21.61, 26.12, -49.08)
CIE-LCH	lch(21.61, 55.60, 298.02°)
OKLab	oklab(33.46% -0.0013 -0.1419)
OKLCH	oklch(33.46% 0.142 269.5)
XYZ	xyz(5.0715, 3.4086, 20.1253)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A7E #7E701C

analogous

#1C5B7E #1C2A7E #3F1C7E

triadic

#1C2A7E #7E1C2A #2A7E1C

tetradic

#1C2A7E #7E1C5B #7E701C #1C7E3F

square

#1C2A7E #7E1C5B #7E701C #1C7E3F

split-complementary

#1C2A7E #7E3F1C #5B7E1C

monochromatic

#06091A #11194C #1C2A7E #273BB0 #4055D5

Accessibility & contrast

On white

12.49

#1C2A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1C2A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A7E

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A7E	#FFFFFF	#000000	##FFFFFF
##1C2A7E	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2a7e;
/* rgb */ color: rgb(28, 42, 126);
/* oklch */ color: oklch(33.5% 0.142 269.5);

Tailwind

colors: {
  custom: {
    50: '#6963a4',
    500: '#1c2a7e',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a7e;
$custom-light: #6963a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a7e",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 126
  },
  "hsl": {
    "h": 231.429,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33458,
    "c": 0.14194,
    "h": 269.5
  },
  "luminance": 0.03409
}

Semantic roles & 50–950 ramp

primary

#1C2A7E

secondary

#B2A244

accent

#CF41E7

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2A7E

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

Preview Lab → · Contrast checker → · Palette generator →