#1C106F#1C106F

#1C106F is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.150 H 275.9°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#1C106F
RGB	rgb(28, 16, 111)
HSL	hsl(248, 75%, 25%)
HSV	hsv(248, 86%, 44%)
CMYK	cmyk(74.8%, 85.6%, 0%, 56.5%)
CIE-LAB	lab(14.20, 36.68, -51.66)
CIE-LCH	lch(14.20, 63.36, 305.38°)
OKLab	oklab(27.67% 0.0155 -0.1493)
OKLCH	oklch(27.67% 0.15 275.9)
XYZ	xyz(3.5325, 1.7648, 15.1903)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C106F #636F10

analogous

#10346F #1C106F #4C106F

triadic

#1C106F #6F1C10 #106F1C

tetradic

#1C106F #6F1034 #636F10 #106F4C

square

#1C106F #6F1034 #636F10 #106F4C

split-complementary

#1C106F #6F4C10 #346F10

monochromatic

#07041B #0F083A #1C106F #2918A4 #371FDA

Accessibility & contrast

On white

15.52

#1C106F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1C106F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C106F

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C106F	#FFFFFF	#000000	##FFFFFF
##1C106F	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002872

Deuteranopia (green-blind)

#00206D

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1c106f;
/* rgb */ color: rgb(28, 16, 111);
/* oklch */ color: oklch(27.7% 0.150 275.9);

Tailwind

colors: {
  custom: {
    50: '#685299',
    500: '#1c106f',
    950: '#000000',
  },
}

SCSS

$custom: #1c106f;
$custom-light: #685299;
$custom-dark: #000000;

JSON

{
  "hex": "#1c106f",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 111
  },
  "hsl": {
    "h": 247.579,
    "s": 74.803,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27673,
    "c": 0.15012,
    "h": 275.9
  },
  "luminance": 0.01765
}

Semantic roles & 50–950 ramp

primary

#1C106F

secondary

#98A734

accent

#F136DA

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1C106F

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

Preview Lab → · Contrast checker → · Palette generator →