#1C2A73#1C2A73

#1C2A73 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.4% C 0.126 H 269.6°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A73
RGB	rgb(28, 42, 115)
HSL	hsl(230, 61%, 28%)
HSV	hsv(230, 76%, 45%)
CMYK	cmyk(75.7%, 63.5%, 0%, 54.9%)
CIE-LAB	lab(20.60, 21.79, -43.72)
CIE-LCH	lch(20.60, 48.85, 296.49°)
OKLab	oklab(32.4% -0.0009 -0.1262)
OKLCH	oklch(32.4% 0.126 269.6)
XYZ	xyz(4.4003, 3.1402, 16.5905)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A73 #73651C

analogous

#1C5573 #1C2A73 #391C73

triadic

#1C2A73 #731C2A #2A731C

tetradic

#1C2A73 #731C55 #73651C #1C7339

square

#1C2A73 #731C55 #73651C #1C7339

split-complementary

#1C2A73 #73391C #55731C

monochromatic

#060919 #101842 #1C2A73 #283CA4 #3A52CF

Accessibility & contrast

On white

12.90

#1C2A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1C2A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A73

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A73	#FFFFFF	#000000	##FFFFFF
##1C2A73	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#002E72

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2a73;
/* rgb */ color: rgb(28, 42, 115);
/* oklch */ color: oklch(32.4% 0.126 269.6);

Tailwind

colors: {
  custom: {
    50: '#66639c',
    500: '#1c2a73',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a73;
$custom-light: #66639c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a73",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 115
  },
  "hsl": {
    "h": 230.345,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32396,
    "c": 0.12623,
    "h": 269.6
  },
  "luminance": 0.03141
}

Semantic roles & 50–950 ramp

primary

#1C2A73

secondary

#A79743

accent

#CA44E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1C2A73

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

Preview Lab → · Contrast checker → · Palette generator →