#1C156F#1C156F

#1C156F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.146 H 275.2°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C156F
RGB	rgb(28, 21, 111)
HSL	hsl(245, 68%, 26%)
HSV	hsv(245, 81%, 44%)
CMYK	cmyk(74.8%, 81.1%, 0%, 56.5%)
CIE-LAB	lab(15.12, 34.02, -50.14)
CIE-LCH	lch(15.12, 60.59, 304.16°)
OKLab	oklab(28.31% 0.0132 -0.145)
OKLCH	oklch(28.31% 0.146 275.2)
XYZ	xyz(3.6154, 1.9306, 15.2179)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C156F #686F15

analogous

#153B6F #1C156F #49156F

triadic

#1C156F #6F1C15 #156F1C

tetradic

#1C156F #6F153B #686F15 #156F49

square

#1C156F #6F153B #686F15 #156F49

split-complementary

#1C156F #6F4915 #3B6F15

monochromatic

#06051A #0F0B3C #1C156F #291FA2 #3628D6

Accessibility & contrast

On white

15.15

#1C156F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C156F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C156F

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C156F	#FFFFFF	#000000	##FFFFFF
##1C156F	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c156f;
/* rgb */ color: rgb(28, 21, 111);
/* oklch */ color: oklch(28.3% 0.146 275.2);

Tailwind

colors: {
  custom: {
    50: '#675499',
    500: '#1c156f',
    950: '#000000',
  },
}

SCSS

$custom: #1c156f;
$custom-light: #675499;
$custom-dark: #000000;

JSON

{
  "hex": "#1c156f",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 111
  },
  "hsl": {
    "h": 244.667,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28312,
    "c": 0.14558,
    "h": 275.2
  },
  "luminance": 0.01931
}

Semantic roles & 50–950 ramp

primary

#1C156F

secondary

#9DA53A

accent

#EB3DDD

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C156F

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

Preview Lab → · Contrast checker → · Palette generator →