#1C367B#1C367B

#1C367B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.7% C 0.122 H 265.1°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C367B
RGB	rgb(28, 54, 123)
HSL	hsl(224, 63%, 30%)
HSV	hsv(224, 77%, 48%)
CMYK	cmyk(77.2%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(24.69, 16.51, -42.17)
CIE-LCH	lch(24.69, 45.29, 291.38°)
OKLab	oklab(35.67% -0.0104 -0.1215)
OKLCH	oklch(35.67% 0.122 265.1)
XYZ	xyz(5.3719, 4.3147, 19.2848)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C367B #7B611C

analogous

#1C667B #1C367B #321C7B

triadic

#1C367B #7B1C36 #367B1C

tetradic

#1C367B #7B1C66 #7B611C #1C7B32

square

#1C367B #7B1C66 #7B611C #1C7B32

split-complementary

#1C367B #7B321C #667B1C

monochromatic

#060B19 #112049 #1C367B #274CAD #3E67D3

Accessibility & contrast

On white

11.27

#1C367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1C367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C367B

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C367B	#FFFFFF	#000000	##FFFFFF
##1C367B	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c367b;
/* rgb */ color: rgb(28, 54, 123);
/* oklch */ color: oklch(35.7% 0.122 265.1);

Tailwind

colors: {
  custom: {
    50: '#676ca2',
    500: '#1c367b',
    950: '#000000',
  },
}

SCSS

$custom: #1c367b;
$custom-light: #676ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c367b",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 223.579,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35669,
    "c": 0.12192,
    "h": 265.1
  },
  "luminance": 0.04315
}

Semantic roles & 50–950 ramp

primary

#1C367B

secondary

#AF9244

accent

#B942E6

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C367B

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

Preview Lab → · Contrast checker → · Palette generator →