#1C2A75#1C2A75

#1C2A75 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.6% C 0.129 H 269.6°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A75
RGB	rgb(28, 42, 117)
HSL	hsl(231, 61%, 28%)
HSV	hsv(231, 76%, 46%)
CMYK	cmyk(76.1%, 64.1%, 0%, 54.1%)
CIE-LAB	lab(20.78, 22.58, -44.71)
CIE-LCH	lch(20.78, 50.09, 296.80°)
OKLab	oklab(32.58% -0.001 -0.1291)
OKLCH	oklch(32.58% 0.129 269.6)
XYZ	xyz(4.5166, 3.1867, 17.2032)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A75 #75671C

analogous

#1C5675 #1C2A75 #3A1C75

triadic

#1C2A75 #751C2A #2A751C

tetradic

#1C2A75 #751C56 #75671C #1C753A

square

#1C2A75 #751C56 #75671C #1C753A

split-complementary

#1C2A75 #753A1C #56751C

monochromatic

#060919 #101844 #1C2A75 #283CA6 #3B53D0

Accessibility & contrast

On white

12.83

#1C2A75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1C2A75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A75

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A75	#FFFFFF	#000000	##FFFFFF
##1C2A75	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003677

Deuteranopia (green-blind)

#002E74

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2a75;
/* rgb */ color: rgb(28, 42, 117);
/* oklch */ color: oklch(32.6% 0.129 269.6);

Tailwind

colors: {
  custom: {
    50: '#67639d',
    500: '#1c2a75',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a75;
$custom-light: #67639d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a75",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 117
  },
  "hsl": {
    "h": 230.562,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32585,
    "c": 0.12914,
    "h": 269.6
  },
  "luminance": 0.03187
}

Semantic roles & 50–950 ramp

primary

#1C2A75

secondary

#A99944

accent

#CB43E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1C2A75

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

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