#1C3996#1C3996

#1C3996 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.156 H 265.9°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C3996
RGB	rgb(28, 57, 150)
HSL	hsl(226, 69%, 35%)
HSV	hsv(226, 81%, 59%)
CMYK	cmyk(81.3%, 62%, 0%, 41.2%)
CIE-LAB	lab(27.78, 25.25, -53.93)
CIE-LCH	lch(27.78, 59.55, 295.09°)
OKLab	oklab(38.69% -0.0113 -0.156)
OKLCH	oklch(38.69% 0.156 265.9)
XYZ	xyz(7.4451, 5.3743, 29.4932)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3996 #96791C

analogous

#1C7696 #1C3996 #3C1C96

triadic

#1C3996 #961C39 #39961C

tetradic

#1C3996 #961C76 #96791C #1C963C

square

#1C3996 #961C76 #96791C #1C963C

split-complementary

#1C3996 #963C1C #76961C

monochromatic

#09122F #122562 #1C3996 #264DCA #4E71DE

Accessibility & contrast

On white

10.12

#1C3996 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1C3996 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3996

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3996	#FFFFFF	#000000	##FFFFFF
##1C3996	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004799

Deuteranopia (green-blind)

#003C94

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1c3996;
/* rgb */ color: rgb(28, 57, 150);
/* oklch */ color: oklch(38.7% 0.156 265.9);

Tailwind

colors: {
  custom: {
    50: '#6e6fb6',
    500: '#1c3996',
    950: '#000000',
  },
}

SCSS

$custom: #1c3996;
$custom-light: #6e6fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3996",
  "rgb": {
    "r": 28,
    "g": 57,
    "b": 150
  },
  "hsl": {
    "h": 225.738,
    "s": 68.539,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38689,
    "c": 0.15638,
    "h": 265.9
  },
  "luminance": 0.05375
}

Semantic roles & 50–950 ramp

primary

#1C3996

secondary

#C1A54D

accent

#C23CEB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C3996

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

Preview Lab → · Contrast checker → · Palette generator →