#1C155D#1C155D

#1C155D is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.3% C 0.121 H 278.3°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#1C155D
RGB	rgb(28, 21, 93)
HSL	hsl(246, 63%, 22%)
HSV	hsv(246, 77%, 36%)
CMYK	cmyk(69.9%, 77.4%, 0%, 63.5%)
CIE-LAB	lab(13.07, 27.69, -41.64)
CIE-LCH	lch(13.07, 50.01, 303.62°)
OKLab	oklab(26.25% 0.0175 -0.1202)
OKLCH	oklch(26.25% 0.121 278.3)
XYZ	xyz(2.7222, 1.5733, 10.5140)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C155D #565D15

analogous

#15325D #1C155D #40155D

triadic

#1C155D #5D1C15 #155D1C

tetradic

#1C155D #5D1532 #565D15 #155D40

square

#1C155D #5D1532 #565D15 #155D40

split-complementary

#1C155D #5D4015 #325D15

monochromatic

#080619 #0D0A2B #1C155D #2B208F #3A2CC1

Accessibility & contrast

On white

15.97

#1C155D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1C155D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C155D

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C155D	#FFFFFF	#000000	##FFFFFF
##1C155D	1.00	15.97	1.31	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002937

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1c155d;
/* rgb */ color: rgb(28, 21, 93);
/* oklch */ color: oklch(26.3% 0.121 278.3);

Tailwind

colors: {
  custom: {
    50: '#62538c',
    500: '#1c155d',
    950: '#000000',
  },
}

SCSS

$custom: #1c155d;
$custom-light: #62538c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c155d",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 93
  },
  "hsl": {
    "h": 245.833,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.26251,
    "c": 0.12149,
    "h": 278.3
  },
  "luminance": 0.01574
}

Semantic roles & 50–950 ramp

primary

#1C155D

secondary

#8C9439

accent

#E642D6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C155D

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

Preview Lab → · Contrast checker → · Palette generator →