#1C166F#1C166F

#1C166F is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.145 H 275.0°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#1C166F
RGB	rgb(28, 22, 111)
HSL	hsl(244, 67%, 26%)
HSV	hsv(244, 80%, 44%)
CMYK	cmyk(74.8%, 80.2%, 0%, 56.5%)
CIE-LAB	lab(15.32, 33.45, -49.81)
CIE-LCH	lch(15.32, 60.00, 303.89°)
OKLab	oklab(28.45% 0.0127 -0.144)
OKLCH	oklch(28.45% 0.145 275)
XYZ	xyz(3.6341, 1.9680, 15.2242)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C166F #696F16

analogous

#163C6F #1C166F #48166F

triadic

#1C166F #6F1C16 #166F1C

tetradic

#1C166F #6F163C #696F16 #166F48

square

#1C166F #6F163C #696F16 #166F48

split-complementary

#1C166F #6F4816 #3C6F16

monochromatic

#06051A #0F0C3C #1C166F #2920A2 #362BD5

Accessibility & contrast

On white

15.07

#1C166F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C166F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C166F

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C166F	#FFFFFF	#000000	##FFFFFF
##1C166F	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c166f;
/* rgb */ color: rgb(28, 22, 111);
/* oklch */ color: oklch(28.5% 0.145 275.0);

Tailwind

colors: {
  custom: {
    50: '#675599',
    500: '#1c166f',
    950: '#000000',
  },
}

SCSS

$custom: #1c166f;
$custom-light: #675599;
$custom-dark: #000000;

JSON

{
  "hex": "#1c166f",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 111
  },
  "hsl": {
    "h": 244.045,
    "s": 66.917,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28452,
    "c": 0.14459,
    "h": 275
  },
  "luminance": 0.01968
}

Semantic roles & 50–950 ramp

primary

#1C166F

secondary

#9EA53C

accent

#EA3EDE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C166F

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

Preview Lab → · Contrast checker → · Palette generator →