#1C367F#1C367F

#1C367F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.128 H 265.5°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C367F
RGB	rgb(28, 54, 127)
HSL	hsl(224, 64%, 30%)
HSV	hsv(224, 78%, 50%)
CMYK	cmyk(78%, 57.5%, 0%, 50.2%)
CIE-LAB	lab(25.00, 18.13, -44.17)
CIE-LCH	lch(25.00, 47.75, 292.32°)
OKLab	oklab(36.01% -0.0101 -0.1274)
OKLCH	oklch(36.01% 0.128 265.5)
XYZ	xyz(5.6275, 4.4169, 20.6305)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C367F #7F651C

analogous

#1C687F #1C367F #331C7F

triadic

#1C367F #7F1C36 #367F1C

tetradic

#1C367F #7F1C68 #7F651C #1C7F33

square

#1C367F #7F1C68 #7F651C #1C7F33

split-complementary

#1C367F #7F331C #687F1C

monochromatic

#060B1B #11214D #1C367F #274BB1 #4067D5

Accessibility & contrast

On white

11.15

#1C367F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1C367F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C367F

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C367F	#FFFFFF	#000000	##FFFFFF
##1C367F	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c367f;
/* rgb */ color: rgb(28, 54, 127);
/* oklch */ color: oklch(36.0% 0.128 265.5);

Tailwind

colors: {
  custom: {
    50: '#686ca5',
    500: '#1c367f',
    950: '#000000',
  },
}

SCSS

$custom: #1c367f;
$custom-light: #686ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c367f",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 127
  },
  "hsl": {
    "h": 224.242,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3601,
    "c": 0.12777,
    "h": 265.5
  },
  "luminance": 0.04418
}

Semantic roles & 50–950 ramp

primary

#1C367F

secondary

#B39644

accent

#BB41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1C367F

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

Preview Lab → · Contrast checker → · Palette generator →