#1C3F98#1C3F98

#1C3F98 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.152 H 264.3°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#1C3F98
RGB	rgb(28, 63, 152)
HSL	hsl(223, 69%, 35%)
HSV	hsv(223, 82%, 60%)
CMYK	cmyk(81.6%, 58.6%, 0%, 40.4%)
CIE-LAB	lab(29.58, 21.93, -52.20)
CIE-LCH	lch(29.58, 56.62, 292.78°)
OKLab	oklab(40.09% -0.0151 -0.1508)
OKLCH	oklch(40.09% 0.152 264.3)
XYZ	xyz(7.9219, 6.0680, 30.4534)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3F98 #98751C

analogous

#1C7D98 #1C3F98 #371C98

triadic

#1C3F98 #981C3F #3F981C

tetradic

#1C3F98 #981C7D #98751C #1C9837

square

#1C3F98 #981C7D #98751C #1C9837

split-complementary

#1C3F98 #98371C #7D981C

monochromatic

#091431 #122A64 #1C3F98 #2654CC #5078DF

Accessibility & contrast

On white

9.49

#1C3F98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1C3F98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3F98

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3F98	#FFFFFF	#000000	##FFFFFF
##1C3F98	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9B

Deuteranopia (green-blind)

#004096

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c3f98;
/* rgb */ color: rgb(28, 63, 152);
/* oklch */ color: oklch(40.1% 0.152 264.3);

Tailwind

colors: {
  custom: {
    50: '#6e73b7',
    500: '#1c3f98',
    950: '#000000',
  },
}

SCSS

$custom: #1c3f98;
$custom-light: #6e73b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3f98",
  "rgb": {
    "r": 28,
    "g": 63,
    "b": 152
  },
  "hsl": {
    "h": 223.065,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40094,
    "c": 0.15156,
    "h": 264.3
  },
  "luminance": 0.06069
}

Semantic roles & 50–950 ramp

primary

#1C3F98

secondary

#C1A14E

accent

#BA3CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C3F98

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

Preview Lab → · Contrast checker → · Palette generator →