#1C155F#1C155F

#1C155F is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.5% C 0.124 H 277.9°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C155F
RGB	rgb(28, 21, 95)
HSL	hsl(246, 64%, 23%)
HSV	hsv(246, 78%, 37%)
CMYK	cmyk(70.5%, 77.9%, 0%, 62.7%)
CIE-LAB	lab(13.29, 28.41, -42.62)
CIE-LCH	lch(13.29, 51.22, 303.69°)
OKLab	oklab(26.47% 0.0171 -0.1231)
OKLCH	oklch(26.47% 0.124 277.9)
XYZ	xyz(2.8119, 1.6092, 10.9867)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C155F #585F15

analogous

#15335F #1C155F #41155F

triadic

#1C155F #5F1C15 #155F1C

tetradic

#1C155F #5F1533 #585F15 #155F41

square

#1C155F #5F1533 #585F15 #155F41

split-complementary

#1C155F #5F4115 #335F15

monochromatic

#070619 #0D0A2D #1C155F #2B2091 #3A2BC3

Accessibility & contrast

On white

15.89

#1C155F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1C155F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C155F

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C155F	#FFFFFF	#000000	##FFFFFF
##1C155F	1.00	15.89	1.32	15.89
#FFFFFF	15.89	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002561

Deuteranopia (green-blind)

#001F5E

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1c155f;
/* rgb */ color: rgb(28, 21, 95);
/* oklch */ color: oklch(26.5% 0.124 277.9);

Tailwind

colors: {
  custom: {
    50: '#63538d',
    500: '#1c155f',
    950: '#000000',
  },
}

SCSS

$custom: #1c155f;
$custom-light: #63538d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c155f",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 95
  },
  "hsl": {
    "h": 245.676,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26473,
    "c": 0.12425,
    "h": 277.9
  },
  "luminance": 0.01609
}

Semantic roles & 50–950 ramp

primary

#1C155F

secondary

#8E963A

accent

#E741D7

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C155F

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

Preview Lab → · Contrast checker → · Palette generator →