#1C286F#1C286F

#1C286F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.6% C 0.123 H 270.3°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C286F
RGB	rgb(28, 40, 111)
HSL	hsl(231, 60%, 27%)
HSV	hsv(231, 75%, 44%)
CMYK	cmyk(74.8%, 64%, 0%, 56.5%)
CIE-LAB	lab(19.69, 21.62, -42.63)
CIE-LCH	lch(19.69, 47.80, 296.89°)
OKLab	oklab(31.61% 0.0007 -0.123)
OKLCH	oklch(31.61% 0.123 270.3)
XYZ	xyz(4.1059, 2.9117, 15.3815)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C286F #6F631C

analogous

#1C526F #1C286F #391C6F

triadic

#1C286F #6F1C28 #286F1C

tetradic

#1C286F #6F1C52 #6F631C #1C6F39

square

#1C286F #6F1C52 #6F631C #1C6F39

split-complementary

#1C286F #6F391C #526F1C

monochromatic

#060918 #10163E #1C286F #283AA0 #384ECD

Accessibility & contrast

On white

13.27

#1C286F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C286F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C286F

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C286F	#FFFFFF	#000000	##FFFFFF
##1C286F	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003471

Deuteranopia (green-blind)

#002C6E

Tritanopia (blue-blind)

#003A47

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c286f;
/* rgb */ color: rgb(28, 40, 111);
/* oklch */ color: oklch(31.6% 0.123 270.3);

Tailwind

colors: {
  custom: {
    50: '#656199',
    500: '#1c286f',
    950: '#000000',
  },
}

SCSS

$custom: #1c286f;
$custom-light: #656199;
$custom-dark: #000000;

JSON

{
  "hex": "#1c286f",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 111
  },
  "hsl": {
    "h": 231.325,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3161,
    "c": 0.12305,
    "h": 270.3
  },
  "luminance": 0.02912
}

Semantic roles & 50–950 ramp

primary

#1C286F

secondary

#A49643

accent

#CC45E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1C286F

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

Preview Lab → · Contrast checker → · Palette generator →