#1C3E90#1C3E90

#1C3E90 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.142 H 264.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E90
RGB	rgb(28, 62, 144)
HSL	hsl(222, 67%, 34%)
HSV	hsv(222, 81%, 56%)
CMYK	cmyk(80.6%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(28.66, 19.41, -48.81)
CIE-LCH	lch(28.66, 52.53, 291.69°)
OKLab	oklab(39.19% -0.0149 -0.1409)
OKLCH	oklch(39.19% 0.142 264)
XYZ	xyz(7.2338, 5.7049, 27.1001)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E90 #906E1C

analogous

#1C7890 #1C3E90 #341C90

triadic

#1C3E90 #901C3E #3E901C

tetradic

#1C3E90 #901C78 #906E1C #1C9034

square

#1C3E90 #901C78 #906E1C #1C9034

split-complementary

#1C3E90 #90341C #78901C

monochromatic

#08122A #12285D #1C3E90 #2654C3 #4A75DC

Accessibility & contrast

On white

9.81

#1C3E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1C3E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E90

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E90	#FFFFFF	#000000	##FFFFFF
##1C3E90	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c3e90;
/* rgb */ color: rgb(28, 62, 144);
/* oklch */ color: oklch(39.2% 0.142 264.0);

Tailwind

colors: {
  custom: {
    50: '#6c72b1',
    500: '#1c3e90',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e90;
$custom-light: #6c72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e90",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 222.414,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.39192,
    "c": 0.14166,
    "h": 264
  },
  "luminance": 0.05706
}

Semantic roles & 50–950 ramp

primary

#1C3E90

secondary

#BE9C4A

accent

#B83DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C3E90

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

Preview Lab → · Contrast checker → · Palette generator →