#1C4A9E#1C4A9E

#1C4A9E is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.9% C 0.146 H 261.2°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C4A9E
RGB	rgb(28, 74, 158)
HSL	hsl(219, 70%, 36%)
HSV	hsv(219, 82%, 62%)
CMYK	cmyk(82.3%, 53.2%, 0%, 38%)
CIE-LAB	lab(33.16, 16.81, -50.03)
CIE-LCH	lch(33.16, 52.78, 288.57°)
OKLab	oklab(42.95% -0.0223 -0.1442)
OKLCH	oklch(42.95% 0.146 261.2)
XYZ	xyz(9.0970, 7.6120, 33.3309)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4A9E #9E701C

analogous

#1C8B9E #1C4A9E #2F1C9E

triadic

#1C4A9E #9E1C4A #4A9E1C

tetradic

#1C4A9E #9E1C8B #9E701C #1C9E2F

square

#1C4A9E #9E1C8B #9E701C #1C9E2F

split-complementary

#1C4A9E #9E2F1C #8B9E1C

monochromatic

#0A1936 #13326A #1C4A9E #2562D2 #5486E1

Accessibility & contrast

On white

8.32

#1C4A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1C4A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4A9E

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4A9E	#FFFFFF	#000000	##FFFFFF
##1C4A9E	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C54A1

Deuteranopia (green-blind)

#00489C

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4a9e;
/* rgb */ color: rgb(28, 74, 158);
/* oklch */ color: oklch(42.9% 0.146 261.2);

Tailwind

colors: {
  custom: {
    50: '#6f7bbb',
    500: '#1c4a9e',
    950: '#000000',
  },
}

SCSS

$custom: #1c4a9e;
$custom-light: #6f7bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4a9e",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 158
  },
  "hsl": {
    "h": 218.769,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42949,
    "c": 0.14592,
    "h": 261.2
  },
  "luminance": 0.07613
}

Semantic roles & 50–950 ramp

primary

#1C4A9E

secondary

#C49C52

accent

#AE3BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4A9E

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

Preview Lab → · Contrast checker → · Palette generator →