#1C3E84#1C3E84

#1C3E84 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.2% C 0.124 H 262.6°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E84
RGB	rgb(28, 62, 132)
HSL	hsl(220, 65%, 31%)
HSV	hsv(220, 79%, 52%)
CMYK	cmyk(78.8%, 53%, 0%, 48.2%)
CIE-LAB	lab(27.73, 14.55, -42.89)
CIE-LCH	lch(27.73, 45.29, 288.74°)
OKLab	oklab(38.2% -0.0161 -0.1234)
OKLCH	oklch(38.2% 0.124 262.6)
XYZ	xyz(6.3649, 5.3573, 22.5239)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E84 #84621C

analogous

#1C7284 #1C3E84 #2E1C84

triadic

#1C3E84 #841C3E #3E841C

tetradic

#1C3E84 #841C72 #84621C #1C842E

square

#1C3E84 #841C72 #84621C #1C842E

split-complementary

#1C3E84 #842E1C #72841C

monochromatic

#070F1F #112652 #1C3E84 #2756B6 #4374D7

Accessibility & contrast

On white

10.14

#1C3E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1C3E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E84

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E84	#FFFFFF	#000000	##FFFFFF
##1C3E84	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104687

Deuteranopia (green-blind)

#003D83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c3e84;
/* rgb */ color: rgb(28, 62, 132);
/* oklch */ color: oklch(38.2% 0.124 262.6);

Tailwind

colors: {
  custom: {
    50: '#6972a8',
    500: '#1c3e84',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e84;
$custom-light: #6972a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e84",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 132
  },
  "hsl": {
    "h": 220.385,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38198,
    "c": 0.12448,
    "h": 262.6
  },
  "luminance": 0.05358
}

Semantic roles & 50–950 ramp

primary

#1C3E84

secondary

#B79245

accent

#B140E8

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C3E84

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

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