#1C417B#1C417B

#1C417B is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.2% C 0.107 H 259.2°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C417B
RGB	rgb(28, 65, 123)
HSL	hsl(217, 63%, 30%)
HSV	hsv(217, 77%, 48%)
CMYK	cmyk(77.2%, 47.2%, 0%, 51.8%)
CIE-LAB	lab(28.00, 8.80, -36.83)
CIE-LCH	lch(28.00, 37.86, 283.45°)
OKLab	oklab(38.2% -0.0202 -0.1055)
OKLCH	oklch(38.2% 0.107 259.2)
XYZ	xyz(5.9430, 5.4569, 19.4751)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C417B #7B561C

analogous

#1C707B #1C417B #271C7B

triadic

#1C417B #7B1C41 #417B1C

tetradic

#1C417B #7B1C70 #7B561C #1C7B27

square

#1C417B #7B1C70 #7B561C #1C7B27

split-complementary

#1C417B #7B271C #707B1C

monochromatic

#060D19 #112749 #1C417B #275BAD #3E78D3

Accessibility & contrast

On white

10.04

#1C417B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1C417B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C417B

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C417B	#FFFFFF	#000000	##FFFFFF
##1C417B	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23477D

Deuteranopia (green-blind)

#0F3E7A

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1c417b;
/* rgb */ color: rgb(28, 65, 123);
/* oklch */ color: oklch(38.2% 0.107 259.2);

Tailwind

colors: {
  custom: {
    50: '#6775a1',
    500: '#1c417b',
    950: '#000000',
  },
}

SCSS

$custom: #1c417b;
$custom-light: #6775a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c417b",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 123
  },
  "hsl": {
    "h": 216.632,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.382,
    "c": 0.10745,
    "h": 259.2
  },
  "luminance": 0.05458
}

Semantic roles & 50–950 ramp

primary

#1C417B

secondary

#AF8544

accent

#A642E6

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C417B

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

Preview Lab → · Contrast checker → · Palette generator →