#1C286A#1C286A

#1C286A is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.1% C 0.116 H 270.4°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C286A
RGB	rgb(28, 40, 106)
HSL	hsl(231, 58%, 26%)
HSV	hsv(231, 74%, 42%)
CMYK	cmyk(73.6%, 62.3%, 0%, 58.4%)
CIE-LAB	lab(19.24, 19.63, -40.11)
CIE-LCH	lch(19.24, 44.66, 296.07°)
OKLab	oklab(31.14% 0.0007 -0.1156)
OKLCH	oklch(31.14% 0.116 270.4)
XYZ	xyz(3.8383, 2.8047, 13.9720)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C286A #6A5E1C

analogous

#1C4F6A #1C286A #371C6A

triadic

#1C286A #6A1C28 #286A1C

tetradic

#1C286A #6A1C4F #6A5E1C #1C6A37

square

#1C286A #6A1C4F #6A5E1C #1C6A37

split-complementary

#1C286A #6A371C #4F6A1C

monochromatic

#060918 #0F163A #1C286A #293A9A #364DCA

Accessibility & contrast

On white

13.45

#1C286A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C286A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C286A

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C286A	#FFFFFF	#000000	##FFFFFF
##1C286A	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326C

Deuteranopia (green-blind)

#002B69

Tritanopia (blue-blind)

#003844

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c286a;
/* rgb */ color: rgb(28, 40, 106);
/* oklch */ color: oklch(31.1% 0.116 270.4);

Tailwind

colors: {
  custom: {
    50: '#646195',
    500: '#1c286a',
    950: '#000000',
  },
}

SCSS

$custom: #1c286a;
$custom-light: #646195;
$custom-dark: #000000;

JSON

{
  "hex": "#1c286a",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 106
  },
  "hsl": {
    "h": 230.769,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31144,
    "c": 0.11565,
    "h": 270.4
  },
  "luminance": 0.02805
}

Semantic roles & 50–950 ramp

primary

#1C286A

secondary

#9F9143

accent

#CA46E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1C286A

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

Preview Lab → · Contrast checker → · Palette generator →