#1C2A72#1C2A72

#1C2A72 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.3% C 0.125 H 269.6°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A72
RGB	rgb(28, 42, 114)
HSL	hsl(230, 61%, 28%)
HSV	hsv(230, 75%, 45%)
CMYK	cmyk(75.4%, 63.2%, 0%, 55.3%)
CIE-LAB	lab(20.51, 21.39, -43.23)
CIE-LCH	lch(20.51, 48.23, 296.33°)
OKLab	oklab(32.3% -0.0009 -0.1248)
OKLCH	oklch(32.3% 0.125 269.6)
XYZ	xyz(4.3431, 3.1173, 16.2891)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A72 #72641C

analogous

#1C5572 #1C2A72 #391C72

triadic

#1C2A72 #721C2A #2A721C

tetradic

#1C2A72 #721C55 #72641C #1C7239

square

#1C2A72 #721C55 #72641C #1C7239

split-complementary

#1C2A72 #72391C #55721C

monochromatic

#060919 #101841 #1C2A72 #283CA3 #3A52CF

Accessibility & contrast

On white

12.93

#1C2A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1C2A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A72

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A72	#FFFFFF	#000000	##FFFFFF
##1C2A72	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003574

Deuteranopia (green-blind)

#002E71

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c2a72;
/* rgb */ color: rgb(28, 42, 114);
/* oklch */ color: oklch(32.3% 0.125 269.6);

Tailwind

colors: {
  custom: {
    50: '#66639b',
    500: '#1c2a72',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a72;
$custom-light: #66639b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a72",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 114
  },
  "hsl": {
    "h": 230.233,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32302,
    "c": 0.12477,
    "h": 269.6
  },
  "luminance": 0.03118
}

Semantic roles & 50–950 ramp

primary

#1C2A72

secondary

#A69643

accent

#CA44E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1C2A72

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

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