#1C3EA5#1C3EA5

#1C3EA5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.171 H 265.3°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C3EA5
RGB	rgb(28, 62, 165)
HSL	hsl(225, 71%, 38%)
HSV	hsv(225, 83%, 65%)
CMYK	cmyk(83%, 62.4%, 0%, 35.3%)
CIE-LAB	lab(30.42, 27.74, -58.71)
CIE-LCH	lch(30.42, 64.94, 295.29°)
OKLab	oklab(41.06% -0.0141 -0.1699)
OKLCH	oklch(41.06% 0.171 265.3)
XYZ	xyz(8.9906, 6.4077, 36.3530)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3EA5 #A5831C

analogous

#1C83A5 #1C3EA5 #3E1CA5

triadic

#1C3EA5 #A51C3E #3EA51C

tetradic

#1C3EA5 #A51C83 #A5831C #1CA53E

square

#1C3EA5 #A51C83 #A5831C #1CA53E

split-complementary

#1C3EA5 #A53E1C #83A51C

monochromatic

#0A173C #132A71 #1C3EA5 #2552D9 #597BE3

Accessibility & contrast

On white

9.20

#1C3EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C3EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3EA5

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3EA5	#FFFFFF	#000000	##FFFFFF
##1C3EA5	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c3ea5;
/* rgb */ color: rgb(28, 62, 165);
/* oklch */ color: oklch(41.1% 0.171 265.3);

Tailwind

colors: {
  custom: {
    50: '#7272c1',
    500: '#1c3ea5',
    950: '#000000',
  },
}

SCSS

$custom: #1c3ea5;
$custom-light: #7272c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3ea5",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 165
  },
  "hsl": {
    "h": 225.109,
    "s": 70.984,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41061,
    "c": 0.17051,
    "h": 265.3
  },
  "luminance": 0.06409
}

Semantic roles & 50–950 ramp

primary

#1C3EA5

secondary

#C6AB56

accent

#C13AEE

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C3EA5

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

Preview Lab → · Contrast checker → · Palette generator →