#1C4198#1C4198

#1C4198 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.149 H 263.7°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C4198
RGB	rgb(28, 65, 152)
HSL	hsl(222, 69%, 35%)
HSV	hsv(222, 82%, 60%)
CMYK	cmyk(81.6%, 57.2%, 0%, 40.4%)
CIE-LAB	lab(30.14, 20.55, -51.29)
CIE-LCH	lch(30.14, 55.26, 291.84°)
OKLab	oklab(40.51% -0.0165 -0.1481)
OKLCH	oklch(40.51% 0.149 263.7)
XYZ	xyz(8.0347, 6.2935, 30.4910)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4198 #98731C

analogous

#1C7F98 #1C4198 #351C98

triadic

#1C4198 #981C41 #41981C

tetradic

#1C4198 #981C7F #98731C #1C9835

square

#1C4198 #981C7F #98731C #1C9835

split-complementary

#1C4198 #98351C #7F981C

monochromatic

#091531 #122B64 #1C4198 #2657CC #507ADF

Accessibility & contrast

On white

9.30

#1C4198 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1C4198 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4198

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4198	#FFFFFF	#000000	##FFFFFF
##1C4198	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9B

Deuteranopia (green-blind)

#004296

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4198;
/* rgb */ color: rgb(28, 65, 152);
/* oklch */ color: oklch(40.5% 0.149 263.7);

Tailwind

colors: {
  custom: {
    50: '#6e75b7',
    500: '#1c4198',
    950: '#000000',
  },
}

SCSS

$custom: #1c4198;
$custom-light: #6e75b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4198",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 152
  },
  "hsl": {
    "h": 222.097,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40514,
    "c": 0.14901,
    "h": 263.7
  },
  "luminance": 0.06294
}

Semantic roles & 50–950 ramp

primary

#1C4198

secondary

#C19F4E

accent

#B73CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4198

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

Preview Lab → · Contrast checker → · Palette generator →