#1C4290#1C4290

#1C4290 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.137 H 262.5°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C4290
RGB	rgb(28, 66, 144)
HSL	hsl(220, 67%, 34%)
HSV	hsv(220, 81%, 56%)
CMYK	cmyk(80.6%, 54.2%, 0%, 43.5%)
CIE-LAB	lab(29.80, 16.64, -46.95)
CIE-LCH	lch(29.80, 49.81, 289.52°)
OKLab	oklab(40.06% -0.0179 -0.1353)
OKLCH	oklch(40.06% 0.137 262.5)
XYZ	xyz(7.4593, 6.1560, 27.1752)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4290 #906A1C

analogous

#1C7C90 #1C4290 #301C90

triadic

#1C4290 #901C42 #42901C

tetradic

#1C4290 #901C7C #906A1C #1C9030

square

#1C4290 #901C7C #906A1C #1C9030

split-complementary

#1C4290 #90301C #7C901C

monochromatic

#08132A #122B5D #1C4290 #2659C3 #4A7ADC

Accessibility & contrast

On white

9.41

#1C4290 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1C4290 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4290

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4290	#FFFFFF	#000000	##FFFFFF
##1C4290	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074C93

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4290;
/* rgb */ color: rgb(28, 66, 144);
/* oklch */ color: oklch(40.1% 0.137 262.5);

Tailwind

colors: {
  custom: {
    50: '#6c75b1',
    500: '#1c4290',
    950: '#000000',
  },
}

SCSS

$custom: #1c4290;
$custom-light: #6c75b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4290",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 144
  },
  "hsl": {
    "h": 220.345,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40061,
    "c": 0.1365,
    "h": 262.5
  },
  "luminance": 0.06157
}

Semantic roles & 50–950 ramp

primary

#1C4290

secondary

#BE984A

accent

#B23DEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4290

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

Preview Lab → · Contrast checker → · Palette generator →