#1C4F97#1C4F97

#1C4F97 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.5% C 0.130 H 257.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F97
RGB	rgb(28, 79, 151)
HSL	hsl(215, 69%, 35%)
HSV	hsv(215, 81%, 59%)
CMYK	cmyk(81.5%, 47.7%, 0%, 40.8%)
CIE-LAB	lab(34.13, 10.61, -44.23)
CIE-LCH	lch(34.13, 45.48, 283.49°)
OKLab	oklab(43.54% -0.0272 -0.127)
OKLCH	oklch(43.54% 0.13 257.9)
XYZ	xyz(8.8587, 8.0721, 30.3633)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F97 #97641C

analogous

#1C8C97 #1C4F97 #271C97

triadic

#1C4F97 #971C4F #4F971C

tetradic

#1C4F97 #971C8C #97641C #1C9727

square

#1C4F97 #971C8C #97641C #1C9727

split-complementary

#1C4F97 #97271C #8C971C

monochromatic

#091930 #123463 #1C4F97 #266ACB #4F8ADE

Accessibility & contrast

On white

8.03

#1C4F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1C4F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F97

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F97	#FFFFFF	#000000	##FFFFFF
##1C4F97	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27569A

Deuteranopia (green-blind)

#034B96

Tritanopia (blue-blind)

#00606B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c4f97;
/* rgb */ color: rgb(28, 79, 151);
/* oklch */ color: oklch(43.5% 0.130 257.9);

Tailwind

colors: {
  custom: {
    50: '#6d7fb6',
    500: '#1c4f97',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f97;
$custom-light: #6d7fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f97",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 151
  },
  "hsl": {
    "h": 215.122,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43535,
    "c": 0.12992,
    "h": 257.9
  },
  "luminance": 0.08073
}

Semantic roles & 50–950 ramp

primary

#1C4F97

secondary

#C1914E

accent

#A33CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C4F97

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

Preview Lab → · Contrast checker → · Palette generator →