#1C2B74#1C2B74

#1C2B74 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.7% C 0.126 H 269.2°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B74
RGB	rgb(28, 43, 116)
HSL	hsl(230, 61%, 28%)
HSV	hsv(230, 76%, 45%)
CMYK	cmyk(75.9%, 62.9%, 0%, 54.5%)
CIE-LAB	lab(20.96, 21.48, -43.77)
CIE-LCH	lch(20.96, 48.76, 296.14°)
OKLab	oklab(32.69% -0.0017 -0.1264)
OKLCH	oklch(32.69% 0.126 269.2)
XYZ	xyz(4.4941, 3.2351, 16.9072)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B74 #74651C

analogous

#1C5774 #1C2B74 #391C74

triadic

#1C2B74 #741C2B #2B741C

tetradic

#1C2B74 #741C57 #74651C #1C7439

square

#1C2B74 #741C57 #74651C #1C7439

split-complementary

#1C2B74 #74391C #57741C

monochromatic

#060919 #101943 #1C2B74 #283DA5 #3B54D0

Accessibility & contrast

On white

12.75

#1C2B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1C2B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B74

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B74	#FFFFFF	#000000	##FFFFFF
##1C2B74	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003776

Deuteranopia (green-blind)

#002E73

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2b74;
/* rgb */ color: rgb(28, 43, 116);
/* oklch */ color: oklch(32.7% 0.126 269.2);

Tailwind

colors: {
  custom: {
    50: '#66649d',
    500: '#1c2b74',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b74;
$custom-light: #66649d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b74",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 116
  },
  "hsl": {
    "h": 229.773,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32694,
    "c": 0.12637,
    "h": 269.2
  },
  "luminance": 0.03236
}

Semantic roles & 50–950 ramp

primary

#1C2B74

secondary

#A89743

accent

#C944E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1C2B74

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

Preview Lab → · Contrast checker → · Palette generator →