#1C3A96#1C3A96

#1C3A96 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.155 H 265.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C3A96
RGB	rgb(28, 58, 150)
HSL	hsl(225, 69%, 35%)
HSV	hsv(225, 81%, 59%)
CMYK	cmyk(81.3%, 61.3%, 0%, 41.2%)
CIE-LAB	lab(28.04, 24.56, -53.49)
CIE-LCH	lch(28.04, 58.86, 294.66°)
OKLab	oklab(38.89% -0.0119 -0.1547)
OKLCH	oklch(38.89% 0.155 265.6)
XYZ	xyz(7.4950, 5.4741, 29.5098)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3A96 #96781C

analogous

#1C7796 #1C3A96 #3B1C96

triadic

#1C3A96 #961C3A #3A961C

tetradic

#1C3A96 #961C77 #96781C #1C963B

square

#1C3A96 #961C77 #96781C #1C963B

split-complementary

#1C3A96 #963B1C #77961C

monochromatic

#09122F #122662 #1C3A96 #264ECA #4E72DE

Accessibility & contrast

On white

10.02

#1C3A96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1C3A96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3A96

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3A96	#FFFFFF	#000000	##FFFFFF
##1C3A96	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004899

Deuteranopia (green-blind)

#003D94

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1c3a96;
/* rgb */ color: rgb(28, 58, 150);
/* oklch */ color: oklch(38.9% 0.155 265.6);

Tailwind

colors: {
  custom: {
    50: '#6e6fb6',
    500: '#1c3a96',
    950: '#000000',
  },
}

SCSS

$custom: #1c3a96;
$custom-light: #6e6fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3a96",
  "rgb": {
    "r": 28,
    "g": 58,
    "b": 150
  },
  "hsl": {
    "h": 225.246,
    "s": 68.539,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3889,
    "c": 0.15512,
    "h": 265.6
  },
  "luminance": 0.05475
}

Semantic roles & 50–950 ramp

primary

#1C3A96

secondary

#C1A44D

accent

#C03CEB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1C3A96

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

Preview Lab → · Contrast checker → · Palette generator →