#1C3EA1#1C3EA1

#1C3EA1 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.165 H 265.1°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C3EA1
RGB	rgb(28, 62, 161)
HSL	hsl(225, 70%, 37%)
HSV	hsv(225, 83%, 63%)
CMYK	cmyk(82.6%, 61.5%, 0%, 36.9%)
CIE-LAB	lab(30.07, 26.17, -56.87)
CIE-LCH	lch(30.07, 62.61, 294.71°)
OKLab	oklab(40.69% -0.0141 -0.1645)
OKLCH	oklch(40.69% 0.165 265.1)
XYZ	xyz(8.6323, 6.2643, 34.4655)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3EA1 #A17F1C

analogous

#1C80A1 #1C3EA1 #3D1CA1

triadic

#1C3EA1 #A11C3E #3EA11C

tetradic

#1C3EA1 #A11C80 #A17F1C #1CA13D

square

#1C3EA1 #A11C80 #A17F1C #1CA13D

split-complementary

#1C3EA1 #A13D1C #80A11C

monochromatic

#0A1639 #132A6D #1C3EA1 #2552D5 #567AE2

Accessibility & contrast

On white

9.32

#1C3EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1C3EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3EA1

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3EA1	#FFFFFF	#000000	##FFFFFF
##1C3EA1	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00419F

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c3ea1;
/* rgb */ color: rgb(28, 62, 161);
/* oklch */ color: oklch(40.7% 0.165 265.1);

Tailwind

colors: {
  custom: {
    50: '#7172be',
    500: '#1c3ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1c3ea1;
$custom-light: #7172be;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3ea1",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 161
  },
  "hsl": {
    "h": 224.662,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40694,
    "c": 0.16513,
    "h": 265.1
  },
  "luminance": 0.06265
}

Semantic roles & 50–950 ramp

primary

#1C3EA1

secondary

#C5A854

accent

#C03BED

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C3EA1

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

Preview Lab → · Contrast checker → · Palette generator →