#1C286E#1C286E

#1C286E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.5% C 0.122 H 270.3°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#1C286E
RGB	rgb(28, 40, 110)
HSL	hsl(231, 59%, 27%)
HSV	hsv(231, 75%, 43%)
CMYK	cmyk(74.5%, 63.6%, 0%, 56.9%)
CIE-LAB	lab(19.60, 21.22, -42.13)
CIE-LCH	lch(19.60, 47.18, 296.73°)
OKLab	oklab(31.52% 0.0007 -0.1216)
OKLCH	oklch(31.52% 0.122 270.3)
XYZ	xyz(4.0512, 2.8898, 15.0931)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C286E #6E621C

analogous

#1C516E #1C286E #391C6E

triadic

#1C286E #6E1C28 #286E1C

tetradic

#1C286E #6E1C51 #6E621C #1C6E39

square

#1C286E #6E1C51 #6E621C #1C6E39

split-complementary

#1C286E #6E391C #516E1C

monochromatic

#060918 #10163D #1C286E #283A9F #384ECC

Accessibility & contrast

On white

13.31

#1C286E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C286E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C286E

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C286E	#FFFFFF	#000000	##FFFFFF
##1C286E	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003370

Deuteranopia (green-blind)

#002C6D

Tritanopia (blue-blind)

#003A46

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c286e;
/* rgb */ color: rgb(28, 40, 110);
/* oklch */ color: oklch(31.5% 0.122 270.3);

Tailwind

colors: {
  custom: {
    50: '#656198',
    500: '#1c286e',
    950: '#000000',
  },
}

SCSS

$custom: #1c286e;
$custom-light: #656198;
$custom-dark: #000000;

JSON

{
  "hex": "#1c286e",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 110
  },
  "hsl": {
    "h": 231.22,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.31516,
    "c": 0.12158,
    "h": 270.3
  },
  "luminance": 0.0289
}

Semantic roles & 50–950 ramp

primary

#1C286E

secondary

#A39543

accent

#CC45E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1C286E

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

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