#1C118E#1C118E

#1C118E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.7% C 0.187 H 271.8°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#1C118E
RGB	rgb(28, 17, 142)
HSL	hsl(245, 79%, 31%)
HSV	hsv(245, 88%, 56%)
CMYK	cmyk(80.3%, 88%, 0%, 44.3%)
CIE-LAB	lab(18.37, 45.97, -64.50)
CIE-LCH	lch(18.37, 79.21, 305.48°)
OKLab	oklab(31.68% 0.006 -0.1865)
OKLCH	oklch(31.68% 0.187 271.8)
XYZ	xyz(5.5602, 2.6001, 25.7948)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C118E #838E11

analogous

#11448E #1C118E #5A118E

triadic

#1C118E #8E1C11 #118E1C

tetradic

#1C118E #8E1144 #838E11 #118E5A

square

#1C118E #8E1144 #838E11 #118E5A

split-complementary

#1C118E #8E5A11 #448E11

monochromatic

#060421 #110A57 #1C118E #2718C5 #4333E7

Accessibility & contrast

On white

13.81

#1C118E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C118E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C118E

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C118E	#FFFFFF	#000000	##FFFFFF
##1C118E	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00278C

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c118e;
/* rgb */ color: rgb(28, 17, 142);
/* oklch */ color: oklch(31.7% 0.187 271.8);

Tailwind

colors: {
  custom: {
    50: '#7055b0',
    500: '#1c118e',
    950: '#000000',
  },
}

SCSS

$custom: #1c118e;
$custom-light: #7055b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c118e",
  "rgb": {
    "r": 28,
    "g": 17,
    "b": 142
  },
  "hsl": {
    "h": 245.28,
    "s": 78.616,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31684,
    "c": 0.18664,
    "h": 271.8
  },
  "luminance": 0.02601
}

Semantic roles & 50–950 ramp

primary

#1C118E

secondary

#B6C238

accent

#F533E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C118E

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

Preview Lab → · Contrast checker → · Palette generator →