#1C4A97#1C4A97

#1C4A97 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.4% C 0.136 H 260.2°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C4A97
RGB	rgb(28, 74, 151)
HSL	hsl(218, 69%, 35%)
HSV	hsv(218, 81%, 59%)
CMYK	cmyk(81.5%, 51%, 0%, 40.8%)
CIE-LAB	lab(32.65, 13.99, -46.62)
CIE-LCH	lch(32.65, 48.67, 286.71°)
OKLab	oklab(42.4% -0.0232 -0.1342)
OKLCH	oklch(42.4% 0.136 260.2)
XYZ	xyz(8.5116, 7.3778, 30.2476)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4A97 #97691C

analogous

#1C8797 #1C4A97 #2C1C97

triadic

#1C4A97 #971C4A #4A971C

tetradic

#1C4A97 #971C87 #97691C #1C972C

square

#1C4A97 #971C87 #97691C #1C972C

split-complementary

#1C4A97 #972C1C #87971C

monochromatic

#091730 #123163 #1C4A97 #2663CB #4F85DE

Accessibility & contrast

On white

8.48

#1C4A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1C4A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4A97

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4A97	#FFFFFF	#000000	##FFFFFF
##1C4A97	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A539A

Deuteranopia (green-blind)

#004895

Tritanopia (blue-blind)

#005D69

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c4a97;
/* rgb */ color: rgb(28, 74, 151);
/* oklch */ color: oklch(42.4% 0.136 260.2);

Tailwind

colors: {
  custom: {
    50: '#6d7bb6',
    500: '#1c4a97',
    950: '#000000',
  },
}

SCSS

$custom: #1c4a97;
$custom-light: #6d7bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4a97",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 151
  },
  "hsl": {
    "h": 217.561,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42398,
    "c": 0.13616,
    "h": 260.2
  },
  "luminance": 0.07379
}

Semantic roles & 50–950 ramp

primary

#1C4A97

secondary

#C1964E

accent

#AA3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4A97

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

Preview Lab → · Contrast checker → · Palette generator →