#1C3B98#1C3B98

#1C3B98 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.157 H 265.4°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#1C3B98
RGB	rgb(28, 59, 152)
HSL	hsl(225, 69%, 35%)
HSV	hsv(225, 82%, 60%)
CMYK	cmyk(81.6%, 61.2%, 0%, 40.4%)
CIE-LAB	lab(28.49, 24.67, -53.99)
CIE-LCH	lch(28.49, 59.36, 294.56°)
OKLab	oklab(39.27% -0.0125 -0.1561)
OKLCH	oklch(39.27% 0.157 265.4)
XYZ	xyz(7.7083, 5.6409, 30.3822)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3B98 #98791C

analogous

#1C7998 #1C3B98 #3B1C98

triadic

#1C3B98 #981C3B #3B981C

tetradic

#1C3B98 #981C79 #98791C #1C983B

square

#1C3B98 #981C79 #98791C #1C983B

split-complementary

#1C3B98 #983B1C #79981C

monochromatic

#091331 #122764 #1C3B98 #264FCC #5073DF

Accessibility & contrast

On white

9.87

#1C3B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1C3B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3B98

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3B98	#FFFFFF	#000000	##FFFFFF
##1C3B98	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499B

Deuteranopia (green-blind)

#003E96

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c3b98;
/* rgb */ color: rgb(28, 59, 152);
/* oklch */ color: oklch(39.3% 0.157 265.4);

Tailwind

colors: {
  custom: {
    50: '#6e70b7',
    500: '#1c3b98',
    950: '#000000',
  },
}

SCSS

$custom: #1c3b98;
$custom-light: #6e70b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3b98",
  "rgb": {
    "r": 28,
    "g": 59,
    "b": 152
  },
  "hsl": {
    "h": 225,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39274,
    "c": 0.15661,
    "h": 265.4
  },
  "luminance": 0.05642
}

Semantic roles & 50–950 ramp

primary

#1C3B98

secondary

#C1A54E

accent

#C03CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C3B98

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

Preview Lab → · Contrast checker → · Palette generator →