#1C49A4#1C49A4

#1C49A4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.2% C 0.155 H 262.2°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C49A4
RGB	rgb(28, 73, 164)
HSL	hsl(220, 71%, 38%)
HSV	hsv(220, 83%, 64%)
CMYK	cmyk(82.9%, 55.5%, 0%, 35.7%)
CIE-LAB	lab(33.33, 19.89, -53.36)
CIE-LCH	lch(33.33, 56.95, 290.44°)
OKLab	oklab(43.22% -0.021 -0.154)
OKLCH	oklch(43.22% 0.155 262.2)
XYZ	xyz(9.5599, 7.6911, 36.0954)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C49A4 #A4771C

analogous

#1C8DA4 #1C49A4 #331CA4

triadic

#1C49A4 #A41C49 #49A41C

tetradic

#1C49A4 #A41C8D #A4771C #1CA433

square

#1C49A4 #A41C8D #A4771C #1CA433

split-complementary

#1C49A4 #A4331C #8DA41C

monochromatic

#0A1A3B #133270 #1C49A4 #2560D8 #5886E2

Accessibility & contrast

On white

8.27

#1C49A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1C49A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C49A4

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C49A4	#FFFFFF	#000000	##FFFFFF
##1C49A4	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c49a4;
/* rgb */ color: rgb(28, 73, 164);
/* oklch */ color: oklch(43.2% 0.155 262.2);

Tailwind

colors: {
  custom: {
    50: '#717bc0',
    500: '#1c49a4',
    950: '#000000',
  },
}

SCSS

$custom: #1c49a4;
$custom-light: #717bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c49a4",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 164
  },
  "hsl": {
    "h": 220.147,
    "s": 70.833,
    "l": 37.647
  },
  "oklch": {
    "l": 0.43221,
    "c": 0.15546,
    "h": 262.2
  },
  "luminance": 0.07692
}

Semantic roles & 50–950 ramp

primary

#1C49A4

secondary

#C6A156

accent

#B23AEE

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C49A4

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

Preview Lab → · Contrast checker → · Palette generator →