#1C3E9A#1C3E9A

#1C3E9A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.156 H 264.7°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E9A
RGB	rgb(28, 62, 154)
HSL	hsl(224, 69%, 36%)
HSV	hsv(224, 82%, 60%)
CMYK	cmyk(81.8%, 59.7%, 0%, 39.6%)
CIE-LAB	lab(29.47, 23.41, -53.60)
CIE-LCH	lch(29.47, 58.49, 293.59°)
OKLab	oklab(40.06% -0.0143 -0.1549)
OKLCH	oklch(40.06% 0.156 264.7)
XYZ	xyz(8.0322, 6.0243, 31.3051)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E9A #9A781C

analogous

#1C7D9A #1C3E9A #391C9A

triadic

#1C3E9A #9A1C3E #3E9A1C

tetradic

#1C3E9A #9A1C7D #9A781C #1C9A39

square

#1C3E9A #9A1C7D #9A781C #1C9A39

split-complementary

#1C3E9A #9A391C #7D9A1C

monochromatic

#091432 #132966 #1C3E9A #2553CE #5177DF

Accessibility & contrast

On white

9.52

#1C3E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1C3E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E9A

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E9A	#FFFFFF	#000000	##FFFFFF
##1C3E9A	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c3e9a;
/* rgb */ color: rgb(28, 62, 154);
/* oklch */ color: oklch(40.1% 0.156 264.7);

Tailwind

colors: {
  custom: {
    50: '#6f72b9',
    500: '#1c3e9a',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e9a;
$custom-light: #6f72b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e9a",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 154
  },
  "hsl": {
    "h": 223.81,
    "s": 69.231,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40063,
    "c": 0.15559,
    "h": 264.7
  },
  "luminance": 0.06025
}

Semantic roles & 50–950 ramp

primary

#1C3E9A

secondary

#C2A350

accent

#BC3CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #1C3E9A

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

Preview Lab → · Contrast checker → · Palette generator →