#1C156E#1C156E

#1C156E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.144 H 275.4°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C156E
RGB	rgb(28, 21, 110)
HSL	hsl(245, 68%, 26%)
HSV	hsv(245, 81%, 43%)
CMYK	cmyk(74.5%, 80.9%, 0%, 56.9%)
CIE-LAB	lab(15.00, 33.68, -49.68)
CIE-LCH	lch(15.00, 60.02, 304.13°)
OKLab	oklab(28.19% 0.0135 -0.1437)
OKLCH	oklch(28.19% 0.144 275.4)
XYZ	xyz(3.5606, 1.9087, 14.9296)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C156E #676E15

analogous

#153A6E #1C156E #48156E

triadic

#1C156E #6E1C15 #156E1C

tetradic

#1C156E #6E153A #676E15 #156E48

square

#1C156E #6E153A #676E15 #156E48

split-complementary

#1C156E #6E4815 #3A6E15

monochromatic

#07051A #0F0B3B #1C156E #291FA1 #3629D5

Accessibility & contrast

On white

15.20

#1C156E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1C156E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C156E

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C156E	#FFFFFF	#000000	##FFFFFF
##1C156E	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A71

Deuteranopia (green-blind)

#00226C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c156e;
/* rgb */ color: rgb(28, 21, 110);
/* oklch */ color: oklch(28.2% 0.144 275.4);

Tailwind

colors: {
  custom: {
    50: '#675499',
    500: '#1c156e',
    950: '#000000',
  },
}

SCSS

$custom: #1c156e;
$custom-light: #675499;
$custom-dark: #000000;

JSON

{
  "hex": "#1c156e",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 110
  },
  "hsl": {
    "h": 244.719,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28194,
    "c": 0.14429,
    "h": 275.4
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#1C156E

secondary

#9CA43A

accent

#EB3DDD

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C156E

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

Preview Lab → · Contrast checker → · Palette generator →