#1C3496#1C3496

#1C3496 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.163 H 267.1°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#1C3496
RGB	rgb(28, 52, 150)
HSL	hsl(228, 69%, 35%)
HSV	hsv(228, 81%, 59%)
CMYK	cmyk(81.3%, 65.3%, 0%, 41.2%)
CIE-LAB	lab(26.46, 28.64, -56.08)
CIE-LCH	lch(26.46, 62.98, 297.05°)
OKLab	oklab(37.71% -0.0083 -0.1623)
OKLCH	oklch(37.71% 0.163 267.1)
XYZ	xyz(7.2100, 4.9040, 29.4148)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3496 #967E1C

analogous

#1C7196 #1C3496 #411C96

triadic

#1C3496 #961C34 #34961C

tetradic

#1C3496 #961C71 #967E1C #1C9641

square

#1C3496 #961C71 #967E1C #1C9641

split-complementary

#1C3496 #96411C #71961C

monochromatic

#09102F #122262 #1C3496 #2646CA #4E6BDE

Accessibility & contrast

On white

10.60

#1C3496 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1C3496 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3496

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3496	#FFFFFF	#000000	##FFFFFF
##1C3496	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004499

Deuteranopia (green-blind)

#003994

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c3496;
/* rgb */ color: rgb(28, 52, 150);
/* oklch */ color: oklch(37.7% 0.163 267.1);

Tailwind

colors: {
  custom: {
    50: '#6e6bb6',
    500: '#1c3496',
    950: '#000000',
  },
}

SCSS

$custom: #1c3496;
$custom-light: #6e6bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3496",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 150
  },
  "hsl": {
    "h": 228.197,
    "s": 68.539,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37715,
    "c": 0.16255,
    "h": 267.1
  },
  "luminance": 0.04905
}

Semantic roles & 50–950 ramp

primary

#1C3496

secondary

#C1AA4D

accent

#C93CEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1C3496

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

Preview Lab → · Contrast checker → · Palette generator →