#1C3197#1C3197

#1C3197 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.167 H 267.7°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C3197
RGB	rgb(28, 49, 151)
HSL	hsl(230, 69%, 35%)
HSV	hsv(230, 81%, 59%)
CMYK	cmyk(81.5%, 67.5%, 0%, 40.8%)
CIE-LAB	lab(25.79, 31.03, -57.79)
CIE-LCH	lch(25.79, 65.60, 298.24°)
OKLab	oklab(37.26% -0.0068 -0.1673)
OKLCH	oklch(37.26% 0.167 267.7)
XYZ	xyz(7.1612, 4.6770, 29.7975)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3197 #97821C

analogous

#1C6F97 #1C3197 #441C97

triadic

#1C3197 #971C31 #31971C

tetradic

#1C3197 #971C6F #97821C #1C9744

square

#1C3197 #971C6F #97821C #1C9744

split-complementary

#1C3197 #97441C #6F971C

monochromatic

#090F30 #122063 #1C3197 #2642CB #4F68DE

Accessibility & contrast

On white

10.85

#1C3197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1C3197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3197

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3197	#FFFFFF	#000000	##FFFFFF
##1C3197	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439A

Deuteranopia (green-blind)

#003795

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c3197;
/* rgb */ color: rgb(28, 49, 151);
/* oklch */ color: oklch(37.3% 0.167 267.7);

Tailwind

colors: {
  custom: {
    50: '#6f69b7',
    500: '#1c3197',
    950: '#000000',
  },
}

SCSS

$custom: #1c3197;
$custom-light: #6f69b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3197",
  "rgb": {
    "r": 28,
    "g": 49,
    "b": 151
  },
  "hsl": {
    "h": 229.756,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37256,
    "c": 0.16749,
    "h": 267.7
  },
  "luminance": 0.04678
}

Semantic roles & 50–950 ramp

primary

#1C3197

secondary

#C1AD4E

accent

#CE3CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1C3197

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

Preview Lab → · Contrast checker → · Palette generator →