#1C3E82#1C3E82

#1C3E82 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.0% C 0.122 H 262.3°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E82
RGB	rgb(28, 62, 130)
HSL	hsl(220, 65%, 31%)
HSV	hsv(220, 78%, 51%)
CMYK	cmyk(78.5%, 52.3%, 0%, 49%)
CIE-LAB	lab(27.58, 13.74, -41.88)
CIE-LCH	lch(27.58, 44.08, 288.16°)
OKLab	oklab(38.04% -0.0163 -0.1205)
OKLCH	oklch(38.04% 0.122 262.3)
XYZ	xyz(6.2293, 5.3031, 21.8101)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E82 #82601C

analogous

#1C7182 #1C3E82 #2D1C82

triadic

#1C3E82 #821C3E #3E821C

tetradic

#1C3E82 #821C71 #82601C #1C822D

square

#1C3E82 #821C71 #82601C #1C822D

split-complementary

#1C3E82 #822D1C #71821C

monochromatic

#060E1D #112650 #1C3E82 #2756B4 #4273D6

Accessibility & contrast

On white

10.19

#1C3E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1C3E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E82

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E82	#FFFFFF	#000000	##FFFFFF
##1C3E82	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134684

Deuteranopia (green-blind)

#003D81

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c3e82;
/* rgb */ color: rgb(28, 62, 130);
/* oklch */ color: oklch(38.0% 0.122 262.3);

Tailwind

colors: {
  custom: {
    50: '#6872a7',
    500: '#1c3e82',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e82;
$custom-light: #6872a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e82",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 130
  },
  "hsl": {
    "h": 220,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38038,
    "c": 0.12157,
    "h": 262.3
  },
  "luminance": 0.05304
}

Semantic roles & 50–950 ramp

primary

#1C3E82

secondary

#B59044

accent

#B040E8

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C3E82

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

Preview Lab → · Contrast checker → · Palette generator →