#1C155B#1C155B

#1C155B is a dark, moderate blue. Relative luminance 0.015; OKLCH L 26.0% C 0.119 H 278.7°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#1C155B
RGB	rgb(28, 21, 91)
HSL	hsl(246, 63%, 22%)
HSV	hsv(246, 77%, 36%)
CMYK	cmyk(69.2%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(12.85, 26.97, -40.66)
CIE-LCH	lch(12.85, 48.79, 303.56°)
OKLab	oklab(26.03% 0.018 -0.1173)
OKLCH	oklch(26.03% 0.119 278.7)
XYZ	xyz(2.6348, 1.5383, 10.0536)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C155B #545B15

analogous

#15315B #1C155B #3F155B

triadic

#1C155B #5B1C15 #155B1C

tetradic

#1C155B #5B1531 #545B15 #155B3F

square

#1C155B #5B1531 #545B15 #155B3F

split-complementary

#1C155B #5B3F15 #315B15

monochromatic

#080619 #0D0A29 #1C155B #2B208D #3B2CBE

Accessibility & contrast

On white

16.06

#1C155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1C155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C155B

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C155B	#FFFFFF	#000000	##FFFFFF
##1C155B	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245D

Deuteranopia (green-blind)

#001E5A

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1c155b;
/* rgb */ color: rgb(28, 21, 91);
/* oklch */ color: oklch(26.0% 0.119 278.7);

Tailwind

colors: {
  custom: {
    50: '#62538a',
    500: '#1c155b',
    950: '#000000',
  },
}

SCSS

$custom: #1c155b;
$custom-light: #62538a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c155b",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 246,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26031,
    "c": 0.11871,
    "h": 278.7
  },
  "luminance": 0.01539
}

Semantic roles & 50–950 ramp

primary

#1C155B

secondary

#8A9239

accent

#E642D5

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C155B

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

Preview Lab → · Contrast checker → · Palette generator →