#1C145B#1C145B

#1C145B is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.9% C 0.120 H 279.0°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C145B
RGB	rgb(28, 20, 91)
HSL	hsl(247, 64%, 22%)
HSV	hsv(247, 78%, 36%)
CMYK	cmyk(69.2%, 78%, 0%, 64.3%)
CIE-LAB	lab(12.62, 27.60, -41.03)
CIE-LCH	lch(12.62, 49.45, 303.93°)
OKLab	oklab(25.87% 0.0187 -0.1184)
OKLCH	oklch(25.87% 0.12 279)
XYZ	xyz(2.6168, 1.5023, 10.0476)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C145B #535B14

analogous

#14305B #1C145B #40145B

triadic

#1C145B #5B1C14 #145B1C

tetradic

#1C145B #5B1430 #535B14 #145B40

square

#1C145B #5B1430 #535B14 #145B40

split-complementary

#1C145B #5B4014 #305B14

monochromatic

#080619 #0D0929 #1C145B #2B1F8D #3B2ABF

Accessibility & contrast

On white

16.15

#1C145B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1C145B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C145B

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C145B	#FFFFFF	#000000	##FFFFFF
##1C145B	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235D

Deuteranopia (green-blind)

#001E5A

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1c145b;
/* rgb */ color: rgb(28, 20, 91);
/* oklch */ color: oklch(25.9% 0.120 279.0);

Tailwind

colors: {
  custom: {
    50: '#62538a',
    500: '#1c145b',
    950: '#000000',
  },
}

SCSS

$custom: #1c145b;
$custom-light: #62538a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c145b",
  "rgb": {
    "r": 28,
    "g": 20,
    "b": 91
  },
  "hsl": {
    "h": 246.761,
    "s": 63.964,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25869,
    "c": 0.1199,
    "h": 279
  },
  "luminance": 0.01503
}

Semantic roles & 50–950 ramp

primary

#1C145B

secondary

#899338

accent

#E741D4

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C145B

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

Preview Lab → · Contrast checker → · Palette generator →