#1C4AA0#1C4AA0

#1C4AA0 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.1% C 0.149 H 261.5°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#1C4AA0
RGB	rgb(28, 74, 160)
HSL	hsl(219, 70%, 37%)
HSV	hsv(219, 83%, 63%)
CMYK	cmyk(82.5%, 53.7%, 0%, 37.3%)
CIE-LAB	lab(33.31, 17.61, -50.99)
CIE-LCH	lch(33.31, 53.95, 289.05°)
OKLab	oklab(43.11% -0.0221 -0.147)
OKLCH	oklch(43.11% 0.149 261.5)
XYZ	xyz(9.2705, 7.6814, 34.2449)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4AA0 #A0721C

analogous

#1C8CA0 #1C4AA0 #301CA0

triadic

#1C4AA0 #A01C4A #4AA01C

tetradic

#1C4AA0 #A01C8C #A0721C #1CA030

square

#1C4AA0 #A01C8C #A0721C #1CA030

split-complementary

#1C4AA0 #A0301C #8CA01C

monochromatic

#0A1A38 #13326C #1C4AA0 #2562D4 #5586E1

Accessibility & contrast

On white

8.28

#1C4AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1C4AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4AA0

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4AA0	#FFFFFF	#000000	##FFFFFF
##1C4AA0	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0655A3

Deuteranopia (green-blind)

#00499E

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4aa0;
/* rgb */ color: rgb(28, 74, 160);
/* oklch */ color: oklch(43.1% 0.149 261.5);

Tailwind

colors: {
  custom: {
    50: '#6f7bbd',
    500: '#1c4aa0',
    950: '#000000',
  },
}

SCSS

$custom: #1c4aa0;
$custom-light: #6f7bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4aa0",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 160
  },
  "hsl": {
    "h": 219.091,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43109,
    "c": 0.1487,
    "h": 261.5
  },
  "luminance": 0.07683
}

Semantic roles & 50–950 ramp

primary

#1C4AA0

secondary

#C49D53

accent

#AF3BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4AA0

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

Preview Lab → · Contrast checker → · Palette generator →