#1C286B#1C286B

#1C286B is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.2% C 0.117 H 270.4°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#1C286B
RGB	rgb(28, 40, 107)
HSL	hsl(231, 59%, 26%)
HSV	hsv(231, 74%, 42%)
CMYK	cmyk(73.8%, 62.6%, 0%, 58%)
CIE-LAB	lab(19.33, 20.03, -40.62)
CIE-LCH	lch(19.33, 45.29, 296.24°)
OKLab	oklab(31.24% 0.0007 -0.1171)
OKLCH	oklch(31.24% 0.117 270.4)
XYZ	xyz(3.8906, 2.8256, 14.2474)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C286B #6B5F1C

analogous

#1C506B #1C286B #381C6B

triadic

#1C286B #6B1C28 #286B1C

tetradic

#1C286B #6B1C50 #6B5F1C #1C6B38

square

#1C286B #6B1C50 #6B5F1C #1C6B38

split-complementary

#1C286B #6B381C #506B1C

monochromatic

#060918 #0F163A #1C286B #293A9C #374DCB

Accessibility & contrast

On white

13.42

#1C286B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C286B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C286B

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C286B	#FFFFFF	#000000	##FFFFFF
##1C286B	1.00	13.42	1.57	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336D

Deuteranopia (green-blind)

#002B6A

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c286b;
/* rgb */ color: rgb(28, 40, 107);
/* oklch */ color: oklch(31.2% 0.117 270.4);

Tailwind

colors: {
  custom: {
    50: '#646196',
    500: '#1c286b',
    950: '#000000',
  },
}

SCSS

$custom: #1c286b;
$custom-light: #646196;
$custom-dark: #000000;

JSON

{
  "hex": "#1c286b",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 107
  },
  "hsl": {
    "h": 230.886,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31236,
    "c": 0.11714,
    "h": 270.4
  },
  "luminance": 0.02826
}

Semantic roles & 50–950 ramp

primary

#1C286B

secondary

#A09243

accent

#CA46E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1C286B

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

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