#1C155A#1C155A

#1C155A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.9% C 0.117 H 278.9°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C155A
RGB	rgb(28, 21, 90)
HSL	hsl(246, 62%, 22%)
HSV	hsv(246, 77%, 35%)
CMYK	cmyk(68.9%, 76.7%, 0%, 64.7%)
CIE-LAB	lab(12.74, 26.61, -40.16)
CIE-LCH	lch(12.74, 48.17, 303.53°)
OKLab	oklab(25.92% 0.0182 -0.1159)
OKLCH	oklch(25.92% 0.117 278.9)
XYZ	xyz(2.5919, 1.5212, 9.8279)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C155A #535A15

analogous

#15315A #1C155A #3F155A

triadic

#1C155A #5A1C15 #155A1C

tetradic

#1C155A #5A1531 #535A15 #155A3F

square

#1C155A #5A1531 #535A15 #155A3F

split-complementary

#1C155A #5A3F15 #315A15

monochromatic

#080619 #0D0928 #1C155A #2B218C #3B2CBD

Accessibility & contrast

On white

16.10

#1C155A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1C155A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C155A

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C155A	#FFFFFF	#000000	##FFFFFF
##1C155A	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#001E59

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1c155a;
/* rgb */ color: rgb(28, 21, 90);
/* oklch */ color: oklch(25.9% 0.117 278.9);

Tailwind

colors: {
  custom: {
    50: '#625389',
    500: '#1c155a',
    950: '#000000',
  },
}

SCSS

$custom: #1c155a;
$custom-light: #625389;
$custom-dark: #000000;

JSON

{
  "hex": "#1c155a",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 90
  },
  "hsl": {
    "h": 246.087,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25921,
    "c": 0.11731,
    "h": 278.9
  },
  "luminance": 0.01521
}

Semantic roles & 50–950 ramp

primary

#1C155A

secondary

#899239

accent

#E543D5

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C155A

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

Preview Lab → · Contrast checker → · Palette generator →