#1C4D97#1C4D97

#1C4D97 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.1% C 0.132 H 258.9°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D97
RGB	rgb(28, 77, 151)
HSL	hsl(216, 69%, 35%)
HSV	hsv(216, 81%, 59%)
CMYK	cmyk(81.5%, 49%, 0%, 40.8%)
CIE-LAB	lab(33.54, 11.96, -45.19)
CIE-LCH	lch(33.54, 46.74, 284.82°)
OKLab	oklab(43.08% -0.0256 -0.1299)
OKLCH	oklch(43.08% 0.132 258.9)
XYZ	xyz(8.7166, 7.7880, 30.3160)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D97 #97661C

analogous

#1C8A97 #1C4D97 #291C97

triadic

#1C4D97 #971C4D #4D971C

tetradic

#1C4D97 #971C8A #97661C #1C9729

square

#1C4D97 #971C8A #97661C #1C9729

split-complementary

#1C4D97 #97291C #8A971C

monochromatic

#091830 #123363 #1C4D97 #2667CB #4F88DE

Accessibility & contrast

On white

8.21

#1C4D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1C4D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D97

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D97	#FFFFFF	#000000	##FFFFFF
##1C4D97	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23559A

Deuteranopia (green-blind)

#004A96

Tritanopia (blue-blind)

#005F6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c4d97;
/* rgb */ color: rgb(28, 77, 151);
/* oklch */ color: oklch(43.1% 0.132 258.9);

Tailwind

colors: {
  custom: {
    50: '#6d7eb6',
    500: '#1c4d97',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d97;
$custom-light: #6d7eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d97",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 151
  },
  "hsl": {
    "h": 216.098,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.1324,
    "h": 258.9
  },
  "luminance": 0.07789
}

Semantic roles & 50–950 ramp

primary

#1C4D97

secondary

#C1934E

accent

#A63CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4D97

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

Preview Lab → · Contrast checker → · Palette generator →