#1C3E86#1C3E86

#1C3E86 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.127 H 262.9°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E86
RGB	rgb(28, 62, 134)
HSL	hsl(221, 65%, 32%)
HSV	hsv(221, 79%, 53%)
CMYK	cmyk(79.1%, 53.7%, 0%, 47.5%)
CIE-LAB	lab(27.88, 15.37, -43.89)
CIE-LCH	lch(27.88, 46.50, 289.30°)
OKLab	oklab(38.36% -0.0158 -0.1264)
OKLCH	oklch(38.36% 0.127 262.9)
XYZ	xyz(6.5031, 5.4126, 23.2516)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E86 #86641C

analogous

#1C7386 #1C3E86 #2F1C86

triadic

#1C3E86 #861C3E #3E861C

tetradic

#1C3E86 #861C73 #86641C #1C862F

square

#1C3E86 #861C73 #86641C #1C862F

split-complementary

#1C3E86 #862F1C #73861C

monochromatic

#070F21 #112753 #1C3E86 #2755B9 #4474D8

Accessibility & contrast

On white

10.08

#1C3E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1C3E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E86

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E86	#FFFFFF	#000000	##FFFFFF
##1C3E86	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4789

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1c3e86;
/* rgb */ color: rgb(28, 62, 134);
/* oklch */ color: oklch(38.4% 0.127 262.9);

Tailwind

colors: {
  custom: {
    50: '#6972aa',
    500: '#1c3e86',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e86;
$custom-light: #6972aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e86",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 134
  },
  "hsl": {
    "h": 220.755,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38359,
    "c": 0.12738,
    "h": 262.9
  },
  "luminance": 0.05413
}

Semantic roles & 50–950 ramp

primary

#1C3E86

secondary

#B99445

accent

#B23FE8

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C3E86

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

Preview Lab → · Contrast checker → · Palette generator →