#1C499F#1C499F

#1C499F is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.149 H 261.7°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C499F
RGB	rgb(28, 73, 159)
HSL	hsl(219, 70%, 37%)
HSV	hsv(219, 82%, 62%)
CMYK	cmyk(82.4%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(32.95, 17.89, -50.98)
CIE-LCH	lch(32.95, 54.02, 289.34°)
OKLab	oklab(42.81% -0.0215 -0.147)
OKLCH	oklch(42.81% 0.149 261.7)
XYZ	xyz(9.1172, 7.5141, 33.7640)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C499F #9F721C

analogous

#1C8B9F #1C499F #311C9F

triadic

#1C499F #9F1C49 #499F1C

tetradic

#1C499F #9F1C8B #9F721C #1C9F31

square

#1C499F #9F1C8B #9F721C #1C9F31

split-complementary

#1C499F #9F311C #8B9F1C

monochromatic

#0A1937 #13316B #1C499F #2561D3 #5485E1

Accessibility & contrast

On white

8.39

#1C499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1C499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C499F

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C499F	#FFFFFF	#000000	##FFFFFF
##1C499F	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0354A2

Deuteranopia (green-blind)

#00489D

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c499f;
/* rgb */ color: rgb(28, 73, 159);
/* oklch */ color: oklch(42.8% 0.149 261.7);

Tailwind

colors: {
  custom: {
    50: '#6f7bbc',
    500: '#1c499f',
    950: '#000000',
  },
}

SCSS

$custom: #1c499f;
$custom-light: #6f7bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c499f",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 219.389,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42811,
    "c": 0.14857,
    "h": 261.7
  },
  "luminance": 0.07515
}

Semantic roles & 50–950 ramp

primary

#1C499F

secondary

#C49D53

accent

#B03BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C499F

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

Preview Lab → · Contrast checker → · Palette generator →