#1C438A#1C438A

#1C438A is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.127 H 261.2°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C438A
RGB	rgb(28, 67, 138)
HSL	hsl(219, 66%, 33%)
HSV	hsv(219, 80%, 54%)
CMYK	cmyk(79.7%, 51.4%, 0%, 45.9%)
CIE-LAB	lab(29.65, 13.52, -43.50)
CIE-LCH	lch(29.65, 45.56, 287.27°)
OKLab	oklab(39.81% -0.0194 -0.1251)
OKLCH	oklch(39.81% 0.127 261.2)
XYZ	xyz(7.0718, 6.0953, 24.8436)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C438A #8A631C

analogous

#1C7A8A #1C438A #2C1C8A

triadic

#1C438A #8A1C43 #438A1C

tetradic

#1C438A #8A1C7A #8A631C #1C8A2C

square

#1C438A #8A1C7A #8A631C #1C8A2C

split-complementary

#1C438A #8A2C1C #7A8A1C

monochromatic

#071224 #122A57 #1C438A #265CBD #477BDA

Accessibility & contrast

On white

9.46

#1C438A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1C438A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C438A

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C438A	#FFFFFF	#000000	##FFFFFF
##1C438A	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174B8D

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c438a;
/* rgb */ color: rgb(28, 67, 138);
/* oklch */ color: oklch(39.8% 0.127 261.2);

Tailwind

colors: {
  custom: {
    50: '#6a76ad',
    500: '#1c438a',
    950: '#000000',
  },
}

SCSS

$custom: #1c438a;
$custom-light: #6a76ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c438a",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 138
  },
  "hsl": {
    "h": 218.727,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39805,
    "c": 0.12665,
    "h": 261.2
  },
  "luminance": 0.06096
}

Semantic roles & 50–950 ramp

primary

#1C438A

secondary

#BB9246

accent

#AD3FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C438A

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

Preview Lab → · Contrast checker → · Palette generator →