#1C427A#1C427A

#1C427A is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.105 H 258.3°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#1C427A
RGB	rgb(28, 66, 122)
HSL	hsl(216, 63%, 29%)
HSV	hsv(216, 77%, 48%)
CMYK	cmyk(77%, 45.9%, 0%, 52.2%)
CIE-LAB	lab(28.24, 7.71, -35.81)
CIE-LCH	lch(28.24, 36.63, 282.15°)
OKLab	oklab(38.37% -0.0213 -0.1025)
OKLCH	oklch(38.37% 0.105 258.3)
XYZ	xyz(5.9387, 5.5478, 19.1664)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C427A #7A541C

analogous

#1C717A #1C427A #251C7A

triadic

#1C427A #7A1C42 #427A1C

tetradic

#1C427A #7A1C71 #7A541C #1C7A25

square

#1C427A #7A1C71 #7A541C #1C7A25

split-complementary

#1C427A #7A251C #717A1C

monochromatic

#060D19 #112748 #1C427A #275DAC #3E7AD3

Accessibility & contrast

On white

9.95

#1C427A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1C427A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C427A

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C427A	#FFFFFF	#000000	##FFFFFF
##1C427A	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26477C

Deuteranopia (green-blind)

#143F79

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c427a;
/* rgb */ color: rgb(28, 66, 122);
/* oklch */ color: oklch(38.4% 0.105 258.3);

Tailwind

colors: {
  custom: {
    50: '#6675a1',
    500: '#1c427a',
    950: '#000000',
  },
}

SCSS

$custom: #1c427a;
$custom-light: #6675a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c427a",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 122
  },
  "hsl": {
    "h": 215.745,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38366,
    "c": 0.10472,
    "h": 258.3
  },
  "luminance": 0.05548
}

Semantic roles & 50–950 ramp

primary

#1C427A

secondary

#AE8344

accent

#A442E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #1C427A

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

Preview Lab → · Contrast checker → · Palette generator →