#1C509E#1C509E

#1C509E is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.3% C 0.138 H 258.8°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#1C509E
RGB	rgb(28, 80, 158)
HSL	hsl(216, 70%, 36%)
HSV	hsv(216, 82%, 62%)
CMYK	cmyk(82.3%, 49.4%, 0%, 38%)
CIE-LAB	lab(34.91, 12.75, -47.21)
CIE-LCH	lch(34.91, 48.90, 285.12°)
OKLab	oklab(44.28% -0.0268 -0.1358)
OKLCH	oklch(44.28% 0.138 258.8)
XYZ	xyz(9.5168, 8.4517, 33.4709)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C509E #9E6A1C

analogous

#1C919E #1C509E #291C9E

triadic

#1C509E #9E1C50 #509E1C

tetradic

#1C509E #9E1C91 #9E6A1C #1C9E29

square

#1C509E #9E1C91 #9E6A1C #1C9E29

split-complementary

#1C509E #9E291C #919E1C

monochromatic

#0A1B36 #13366A #1C509E #256AD2 #548CE1

Accessibility & contrast

On white

7.80

#1C509E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1C509E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C509E

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C509E	#FFFFFF	#000000	##FFFFFF
##1C509E	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2258A1

Deuteranopia (green-blind)

#004D9C

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c509e;
/* rgb */ color: rgb(28, 80, 158);
/* oklch */ color: oklch(44.3% 0.138 258.8);

Tailwind

colors: {
  custom: {
    50: '#6f80bb',
    500: '#1c509e',
    950: '#000000',
  },
}

SCSS

$custom: #1c509e;
$custom-light: #6f80bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c509e",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 158
  },
  "hsl": {
    "h": 216,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.44284,
    "c": 0.13842,
    "h": 258.8
  },
  "luminance": 0.08453
}

Semantic roles & 50–950 ramp

primary

#1C509E

secondary

#C49652

accent

#A63BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C509E

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

Preview Lab → · Contrast checker → · Palette generator →