#1C4592#1C4592

#1C4592 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.9% C 0.135 H 261.5°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#1C4592
RGB	rgb(28, 69, 146)
HSL	hsl(219, 68%, 34%)
HSV	hsv(219, 81%, 57%)
CMYK	cmyk(80.8%, 52.7%, 0%, 42.7%)
CIE-LAB	lab(30.83, 15.39, -46.52)
CIE-LCH	lch(30.83, 49.00, 288.30°)
OKLab	oklab(40.89% -0.02 -0.134)
OKLCH	oklch(40.89% 0.135 261.5)
XYZ	xyz(7.7934, 6.5775, 28.0474)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4592 #92691C

analogous

#1C8092 #1C4592 #2E1C92

triadic

#1C4592 #921C45 #45921C

tetradic

#1C4592 #921C80 #92691C #1C922E

square

#1C4592 #921C80 #92691C #1C922E

split-complementary

#1C4592 #922E1C #80921C

monochromatic

#08142B #122D5F #1C4592 #265DC5 #4C7EDD

Accessibility & contrast

On white

9.07

#1C4592 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1C4592 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4592

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4592	#FFFFFF	#000000	##FFFFFF
##1C4592	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114E95

Deuteranopia (green-blind)

#004390

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4592;
/* rgb */ color: rgb(28, 69, 146);
/* oklch */ color: oklch(40.9% 0.135 261.5);

Tailwind

colors: {
  custom: {
    50: '#6c78b3',
    500: '#1c4592',
    950: '#000000',
  },
}

SCSS

$custom: #1c4592;
$custom-light: #6c78b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4592",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 146
  },
  "hsl": {
    "h": 219.153,
    "s": 67.816,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40887,
    "c": 0.13547,
    "h": 261.5
  },
  "luminance": 0.06578
}

Semantic roles & 50–950 ramp

primary

#1C4592

secondary

#BF974B

accent

#AE3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4592

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

Preview Lab → · Contrast checker → · Palette generator →