#1C368F#1C368F

#1C368F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.150 H 266.4°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C368F
RGB	rgb(28, 54, 143)
HSL	hsl(226, 67%, 34%)
HSV	hsv(226, 80%, 56%)
CMYK	cmyk(80.4%, 62.2%, 0%, 43.9%)
CIE-LAB	lab(26.35, 24.54, -51.95)
CIE-LCH	lch(26.35, 57.45, 295.29°)
OKLab	oklab(37.44% -0.0095 -0.1502)
OKLCH	oklch(37.44% 0.151 266.4)
XYZ	xyz(6.7542, 4.8676, 26.5648)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C368F #8F751C

analogous

#1C6F8F #1C368F #3B1C8F

triadic

#1C368F #8F1C36 #368F1C

tetradic

#1C368F #8F1C6F #8F751C #1C8F3B

square

#1C368F #8F1C6F #8F751C #1C8F3B

split-complementary

#1C368F #8F3B1C #6F8F1C

monochromatic

#080F29 #12235C #1C368F #2649C2 #4A6BDC

Accessibility & contrast

On white

10.64

#1C368F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1C368F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C368F

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C368F	#FFFFFF	#000000	##FFFFFF
##1C368F	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c368f;
/* rgb */ color: rgb(28, 54, 143);
/* oklch */ color: oklch(37.4% 0.150 266.4);

Tailwind

colors: {
  custom: {
    50: '#6c6cb1',
    500: '#1c368f',
    950: '#000000',
  },
}

SCSS

$custom: #1c368f;
$custom-light: #6c6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c368f",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 143
  },
  "hsl": {
    "h": 226.435,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37442,
    "c": 0.1505,
    "h": 266.4
  },
  "luminance": 0.04868
}

Semantic roles & 50–950 ramp

primary

#1C368F

secondary

#BEA349

accent

#C33EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C368F

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

Preview Lab → · Contrast checker → · Palette generator →