#1C2B72#1C2B72

#1C2B72 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.5% C 0.123 H 269.2°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B72
RGB	rgb(28, 43, 114)
HSL	hsl(230, 61%, 28%)
HSV	hsv(230, 75%, 45%)
CMYK	cmyk(75.4%, 62.3%, 0%, 55.3%)
CIE-LAB	lab(20.79, 20.69, -42.77)
CIE-LCH	lch(20.79, 47.51, 295.81°)
OKLab	oklab(32.51% -0.0017 -0.1234)
OKLCH	oklch(32.51% 0.123 269.2)
XYZ	xyz(4.3790, 3.1891, 16.3011)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B72 #72631C

analogous

#1C5672 #1C2B72 #381C72

triadic

#1C2B72 #721C2B #2B721C

tetradic

#1C2B72 #721C56 #72631C #1C7238

square

#1C2B72 #721C56 #72631C #1C7238

split-complementary

#1C2B72 #72381C #56721C

monochromatic

#060919 #101841 #1C2B72 #283EA3 #3A54CF

Accessibility & contrast

On white

12.82

#1C2B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1C2B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B72

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B72	#FFFFFF	#000000	##FFFFFF
##1C2B72	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003674

Deuteranopia (green-blind)

#002E71

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2b72;
/* rgb */ color: rgb(28, 43, 114);
/* oklch */ color: oklch(32.5% 0.123 269.2);

Tailwind

colors: {
  custom: {
    50: '#66649b',
    500: '#1c2b72',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b72;
$custom-light: #66649b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b72",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 114
  },
  "hsl": {
    "h": 229.535,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32509,
    "c": 0.12344,
    "h": 269.2
  },
  "luminance": 0.0319
}

Semantic roles & 50–950 ramp

primary

#1C2B72

secondary

#A69543

accent

#C844E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1C2B72

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

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