#1C3D9D#1C3D9D

#1C3D9D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.161 H 265.1°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D9D
RGB	rgb(28, 61, 157)
HSL	hsl(225, 70%, 36%)
HSV	hsv(225, 82%, 62%)
CMYK	cmyk(82.2%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(29.46, 25.28, -55.45)
CIE-LCH	lch(29.46, 60.94, 294.51°)
OKLab	oklab(40.13% -0.0136 -0.1604)
OKLCH	oklch(40.13% 0.161 265.1)
XYZ	xyz(8.2313, 6.0177, 32.6195)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D9D #9D7C1C

analogous

#1C7E9D #1C3D9D #3C1C9D

triadic

#1C3D9D #9D1C3D #3D9D1C

tetradic

#1C3D9D #9D1C7E #9D7C1C #1C9D3C

square

#1C3D9D #9D1C7E #9D7C1C #1C9D3C

split-complementary

#1C3D9D #9D3C1C #7E9D1C

monochromatic

#091535 #132969 #1C3D9D #2551D1 #5377E0

Accessibility & contrast

On white

9.53

#1C3D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1C3D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D9D

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D9D	#FFFFFF	#000000	##FFFFFF
##1C3D9D	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c3d9d;
/* rgb */ color: rgb(28, 61, 157);
/* oklch */ color: oklch(40.1% 0.161 265.1);

Tailwind

colors: {
  custom: {
    50: '#7072bb',
    500: '#1c3d9d',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d9d;
$custom-light: #7072bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d9d",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 224.651,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.4013,
    "c": 0.16095,
    "h": 265.1
  },
  "luminance": 0.06019
}

Semantic roles & 50–950 ramp

primary

#1C3D9D

secondary

#C3A651

accent

#BF3BED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1C3D9D

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

Preview Lab → · Contrast checker → · Palette generator →