#1C439E#1C439E

#1C439E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.155 H 263.5°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#1C439E
RGB	rgb(28, 67, 158)
HSL	hsl(222, 70%, 36%)
HSV	hsv(222, 82%, 62%)
CMYK	cmyk(82.3%, 57.6%, 0%, 38%)
CIE-LAB	lab(31.18, 21.58, -53.24)
CIE-LCH	lch(31.18, 57.45, 292.06°)
OKLab	oklab(41.45% -0.0174 -0.1538)
OKLCH	oklch(41.45% 0.155 263.5)
XYZ	xyz(8.6554, 6.7288, 33.1837)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C439E #9E771C

analogous

#1C849E #1C439E #361C9E

triadic

#1C439E #9E1C43 #439E1C

tetradic

#1C439E #9E1C84 #9E771C #1C9E36

square

#1C439E #9E1C84 #9E771C #1C9E36

split-complementary

#1C439E #9E361C #849E1C

monochromatic

#0A1736 #132D6A #1C439E #2559D2 #547EE1

Accessibility & contrast

On white

8.95

#1C439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1C439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C439E

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C439E	#FFFFFF	#000000	##FFFFFF
##1C439E	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A1

Deuteranopia (green-blind)

#00449C

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c439e;
/* rgb */ color: rgb(28, 67, 158);
/* oklch */ color: oklch(41.4% 0.155 263.5);

Tailwind

colors: {
  custom: {
    50: '#6f76bb',
    500: '#1c439e',
    950: '#000000',
  },
}

SCSS

$custom: #1c439e;
$custom-light: #6f76bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c439e",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 222,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41449,
    "c": 0.15478,
    "h": 263.5
  },
  "luminance": 0.0673
}

Semantic roles & 50–950 ramp

primary

#1C439E

secondary

#C4A252

accent

#B73BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C439E

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

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