#1C4097#1C4097

#1C4097 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.149 H 263.9°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#1C4097
RGB	rgb(28, 64, 151)
HSL	hsl(222, 69%, 35%)
HSV	hsv(222, 81%, 59%)
CMYK	cmyk(81.5%, 57.6%, 0%, 40.8%)
CIE-LAB	lab(29.78, 20.84, -51.27)
CIE-LCH	lch(29.78, 55.34, 292.12°)
OKLab	oklab(40.22% -0.0158 -0.148)
OKLCH	oklch(40.22% 0.149 263.9)
XYZ	xyz(7.8962, 6.1471, 30.0425)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4097 #97731C

analogous

#1C7D97 #1C4097 #351C97

triadic

#1C4097 #971C40 #40971C

tetradic

#1C4097 #971C7D #97731C #1C9735

square

#1C4097 #971C7D #97731C #1C9735

split-complementary

#1C4097 #97351C #7D971C

monochromatic

#091430 #122A63 #1C4097 #2656CB #4F79DE

Accessibility & contrast

On white

9.42

#1C4097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1C4097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4097

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4097	#FFFFFF	#000000	##FFFFFF
##1C4097	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#005665

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4097;
/* rgb */ color: rgb(28, 64, 151);
/* oklch */ color: oklch(40.2% 0.149 263.9);

Tailwind

colors: {
  custom: {
    50: '#6e74b6',
    500: '#1c4097',
    950: '#000000',
  },
}

SCSS

$custom: #1c4097;
$custom-light: #6e74b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4097",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 151
  },
  "hsl": {
    "h": 222.439,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40217,
    "c": 0.14889,
    "h": 263.9
  },
  "luminance": 0.06148
}

Semantic roles & 50–950 ramp

primary

#1C4097

secondary

#C19F4E

accent

#B83CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4097

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

Preview Lab → · Contrast checker → · Palette generator →