#1C286D#1C286D

#1C286D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.4% C 0.120 H 270.3°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C286D
RGB	rgb(28, 40, 109)
HSL	hsl(231, 59%, 27%)
HSV	hsv(231, 74%, 43%)
CMYK	cmyk(74.3%, 63.3%, 0%, 57.3%)
CIE-LAB	lab(19.51, 20.82, -41.63)
CIE-LCH	lch(19.51, 46.55, 296.57°)
OKLab	oklab(31.42% 0.0007 -0.1201)
OKLCH	oklch(31.42% 0.12 270.3)
XYZ	xyz(3.9971, 2.8682, 14.8080)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C286D #6D611C

analogous

#1C516D #1C286D #391C6D

triadic

#1C286D #6D1C28 #286D1C

tetradic

#1C286D #6D1C51 #6D611C #1C6D39

square

#1C286D #6D1C51 #6D611C #1C6D39

split-complementary

#1C286D #6D391C #516D1C

monochromatic

#060918 #0F163C #1C286D #293A9E #384ECC

Accessibility & contrast

On white

13.34

#1C286D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C286D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C286D

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C286D	#FFFFFF	#000000	##FFFFFF
##1C286D	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336F

Deuteranopia (green-blind)

#002C6C

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c286d;
/* rgb */ color: rgb(28, 40, 109);
/* oklch */ color: oklch(31.4% 0.120 270.3);

Tailwind

colors: {
  custom: {
    50: '#656197',
    500: '#1c286d',
    950: '#000000',
  },
}

SCSS

$custom: #1c286d;
$custom-light: #656197;
$custom-dark: #000000;

JSON

{
  "hex": "#1c286d",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 109
  },
  "hsl": {
    "h": 231.111,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31422,
    "c": 0.12011,
    "h": 270.3
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#1C286D

secondary

#A29443

accent

#CB45E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1C286D

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

Preview Lab → · Contrast checker → · Palette generator →