#1C286C#1C286C

#1C286C is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.3% C 0.119 H 270.4°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C286C
RGB	rgb(28, 40, 108)
HSL	hsl(231, 59%, 27%)
HSV	hsv(231, 74%, 42%)
CMYK	cmyk(74.1%, 63%, 0%, 57.6%)
CIE-LAB	lab(19.42, 20.42, -41.13)
CIE-LCH	lch(19.42, 45.92, 296.41°)
OKLab	oklab(31.33% 0.0007 -0.1186)
OKLCH	oklch(31.33% 0.119 270.4)
XYZ	xyz(3.9435, 2.8468, 14.5261)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C286C #6C601C

analogous

#1C506C #1C286C #381C6C

triadic

#1C286C #6C1C28 #286C1C

tetradic

#1C286C #6C1C50 #6C601C #1C6C38

square

#1C286C #6C1C50 #6C601C #1C6C38

split-complementary

#1C286C #6C381C #506C1C

monochromatic

#060918 #0F163B #1C286C #293A9D #374DCB

Accessibility & contrast

On white

13.38

#1C286C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C286C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C286C

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C286C	#FFFFFF	#000000	##FFFFFF
##1C286C	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336E

Deuteranopia (green-blind)

#002B6B

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c286c;
/* rgb */ color: rgb(28, 40, 108);
/* oklch */ color: oklch(31.3% 0.119 270.4);

Tailwind

colors: {
  custom: {
    50: '#646197',
    500: '#1c286c',
    950: '#000000',
  },
}

SCSS

$custom: #1c286c;
$custom-light: #646197;
$custom-dark: #000000;

JSON

{
  "hex": "#1c286c",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 108
  },
  "hsl": {
    "h": 231,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31329,
    "c": 0.11863,
    "h": 270.4
  },
  "luminance": 0.02847
}

Semantic roles & 50–950 ramp

primary

#1C286C

secondary

#A19343

accent

#CB46E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1C286C

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

Preview Lab → · Contrast checker → · Palette generator →