#1C3396#1C3396

#1C3396 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.164 H 267.3°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C3396
RGB	rgb(28, 51, 150)
HSL	hsl(229, 69%, 35%)
HSV	hsv(229, 81%, 59%)
CMYK	cmyk(81.3%, 66%, 0%, 41.2%)
CIE-LAB	lab(26.20, 29.32, -56.50)
CIE-LCH	lch(26.20, 63.66, 297.42°)
OKLab	oklab(37.53% -0.0078 -0.1636)
OKLCH	oklch(37.53% 0.164 267.3)
XYZ	xyz(7.1658, 4.8157, 29.4001)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3396 #967F1C

analogous

#1C7096 #1C3396 #421C96

triadic

#1C3396 #961C33 #33961C

tetradic

#1C3396 #961C70 #967F1C #1C9642

square

#1C3396 #961C70 #967F1C #1C9642

split-complementary

#1C3396 #96421C #70961C

monochromatic

#09102F #122162 #1C3396 #2645CA #4E69DE

Accessibility & contrast

On white

10.70

#1C3396 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1C3396 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3396

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3396	#FFFFFF	#000000	##FFFFFF
##1C3396	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004499

Deuteranopia (green-blind)

#003894

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c3396;
/* rgb */ color: rgb(28, 51, 150);
/* oklch */ color: oklch(37.5% 0.164 267.3);

Tailwind

colors: {
  custom: {
    50: '#6f6ab6',
    500: '#1c3396',
    950: '#000000',
  },
}

SCSS

$custom: #1c3396;
$custom-light: #6f6ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3396",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 150
  },
  "hsl": {
    "h": 228.689,
    "s": 68.539,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37526,
    "c": 0.16376,
    "h": 267.3
  },
  "luminance": 0.04817
}

Semantic roles & 50–950 ramp

primary

#1C3396

secondary

#C1AB4D

accent

#CA3CEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1C3396

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

Preview Lab → · Contrast checker → · Palette generator →