#1C4BA6#1C4BA6

#1C4BA6 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.156 H 261.8°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#1C4BA6
RGB	rgb(28, 75, 166)
HSL	hsl(220, 71%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(83.1%, 54.8%, 0%, 34.9%)
CIE-LAB	lab(34.05, 19.34, -53.40)
CIE-LCH	lch(34.05, 56.79, 289.91°)
OKLab	oklab(43.81% -0.0221 -0.1541)
OKLCH	oklch(43.81% 0.156 261.8)
XYZ	xyz(9.8754, 8.0310, 37.0987)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4BA6 #A6771C

analogous

#1C90A6 #1C4BA6 #321CA6

triadic

#1C4BA6 #A61C4B #4BA61C

tetradic

#1C4BA6 #A61C90 #A6771C #1CA632

square

#1C4BA6 #A61C90 #A6771C #1CA632

split-complementary

#1C4BA6 #A6321C #90A61C

monochromatic

#0A1C3D #133372 #1C4BA6 #2563DA #5988E3

Accessibility & contrast

On white

8.06

#1C4BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1C4BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4BA6

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4BA6	#FFFFFF	#000000	##FFFFFF
##1C4BA6	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057A9

Deuteranopia (green-blind)

#004AA4

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c4ba6;
/* rgb */ color: rgb(28, 75, 166);
/* oklch */ color: oklch(43.8% 0.156 261.8);

Tailwind

colors: {
  custom: {
    50: '#717cc1',
    500: '#1c4ba6',
    950: '#000000',
  },
}

SCSS

$custom: #1c4ba6;
$custom-light: #717cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4ba6",
  "rgb": {
    "r": 28,
    "g": 75,
    "b": 166
  },
  "hsl": {
    "h": 219.565,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43812,
    "c": 0.15568,
    "h": 261.8
  },
  "luminance": 0.08032
}

Semantic roles & 50–950 ramp

primary

#1C4BA6

secondary

#C7A157

accent

#B13AEE

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4BA6

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

Preview Lab → · Contrast checker → · Palette generator →