#1C4186#1C4186

#1C4186 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.123 H 261.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#1C4186
RGB	rgb(28, 65, 134)
HSL	hsl(219, 65%, 32%)
HSV	hsv(219, 79%, 53%)
CMYK	cmyk(79.1%, 51.5%, 0%, 47.5%)
CIE-LAB	lab(28.77, 13.28, -42.45)
CIE-LCH	lch(28.77, 44.48, 287.37°)
OKLab	oklab(39.04% -0.0183 -0.1221)
OKLCH	oklch(39.04% 0.123 261.5)
XYZ	xyz(6.6707, 5.7479, 23.3075)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4186 #86611C

analogous

#1C7686 #1C4186 #2C1C86

triadic

#1C4186 #861C41 #41861C

tetradic

#1C4186 #861C76 #86611C #1C862C

square

#1C4186 #861C76 #86611C #1C862C

split-complementary

#1C4186 #862C1C #76861C

monochromatic

#071021 #112853 #1C4186 #275AB9 #4478D8

Accessibility & contrast

On white

9.77

#1C4186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1C4186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4186

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4186	#FFFFFF	#000000	##FFFFFF
##1C4186	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174989

Deuteranopia (green-blind)

#003F85

Tritanopia (blue-blind)

#00525D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c4186;
/* rgb */ color: rgb(28, 65, 134);
/* oklch */ color: oklch(39.0% 0.123 261.5);

Tailwind

colors: {
  custom: {
    50: '#6975aa',
    500: '#1c4186',
    950: '#000000',
  },
}

SCSS

$custom: #1c4186;
$custom-light: #6975aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4186",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 134
  },
  "hsl": {
    "h": 219.057,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39036,
    "c": 0.12347,
    "h": 261.5
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#1C4186

secondary

#B99045

accent

#AD3FE8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C4186

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

Preview Lab → · Contrast checker → · Palette generator →