#1C407A#1C407A

#1C407A is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.107 H 259.6°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C407A
RGB	rgb(28, 64, 122)
HSL	hsl(217, 63%, 29%)
HSV	hsv(217, 77%, 48%)
CMYK	cmyk(77%, 47.5%, 0%, 52.2%)
CIE-LAB	lab(27.62, 9.09, -36.80)
CIE-LCH	lch(27.62, 37.91, 283.87°)
OKLab	oklab(37.89% -0.0194 -0.1055)
OKLCH	oklch(37.89% 0.107 259.6)
XYZ	xyz(5.8239, 5.3182, 19.1282)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C407A #7A561C

analogous

#1C6F7A #1C407A #271C7A

triadic

#1C407A #7A1C40 #407A1C

tetradic

#1C407A #7A1C6F #7A561C #1C7A27

square

#1C407A #7A1C6F #7A561C #1C7A27

split-complementary

#1C407A #7A271C #6F7A1C

monochromatic

#060D19 #112648 #1C407A #275AAC #3E77D3

Accessibility & contrast

On white

10.18

#1C407A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1C407A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C407A

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C407A	#FFFFFF	#000000	##FFFFFF
##1C407A	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22467C

Deuteranopia (green-blind)

#0D3D79

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c407a;
/* rgb */ color: rgb(28, 64, 122);
/* oklch */ color: oklch(37.9% 0.107 259.6);

Tailwind

colors: {
  custom: {
    50: '#6674a1',
    500: '#1c407a',
    950: '#000000',
  },
}

SCSS

$custom: #1c407a;
$custom-light: #6674a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c407a",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 122
  },
  "hsl": {
    "h": 217.021,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37888,
    "c": 0.10726,
    "h": 259.6
  },
  "luminance": 0.05319
}

Semantic roles & 50–950 ramp

primary

#1C407A

secondary

#AE8544

accent

#A742E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #1C407A

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

Preview Lab → · Contrast checker → · Palette generator →