#1C4497#1C4497

#1C4497 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.144 H 262.5°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C4497
RGB	rgb(28, 68, 151)
HSL	hsl(220, 69%, 35%)
HSV	hsv(220, 81%, 59%)
CMYK	cmyk(81.5%, 55%, 0%, 40.8%)
CIE-LAB	lab(30.91, 18.09, -49.43)
CIE-LCH	lch(30.91, 52.64, 290.10°)
OKLab	oklab(41.07% -0.0187 -0.1426)
OKLCH	oklch(41.07% 0.144 262.5)
XYZ	xyz(8.1299, 6.6145, 30.1204)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4497 #976F1C

analogous

#1C8197 #1C4497 #321C97

triadic

#1C4497 #971C44 #44971C

tetradic

#1C4497 #971C81 #976F1C #1C9732

square

#1C4497 #971C81 #976F1C #1C9732

split-complementary

#1C4497 #97321C #81971C

monochromatic

#091630 #122D63 #1C4497 #265BCB #4F7EDE

Accessibility & contrast

On white

9.04

#1C4497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1C4497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4497

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4497	#FFFFFF	#000000	##FFFFFF
##1C4497	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9A

Deuteranopia (green-blind)

#004395

Tritanopia (blue-blind)

#005866

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4497;
/* rgb */ color: rgb(28, 68, 151);
/* oklch */ color: oklch(41.1% 0.144 262.5);

Tailwind

colors: {
  custom: {
    50: '#6d77b6',
    500: '#1c4497',
    950: '#000000',
  },
}

SCSS

$custom: #1c4497;
$custom-light: #6d77b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4497",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 151
  },
  "hsl": {
    "h": 220.488,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41073,
    "c": 0.14379,
    "h": 262.5
  },
  "luminance": 0.06615
}

Semantic roles & 50–950 ramp

primary

#1C4497

secondary

#C19C4E

accent

#B33CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4497

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

Preview Lab → · Contrast checker → · Palette generator →