#1C306C#1C306C

#1C306C is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.1% C 0.108 H 266.6°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C306C
RGB	rgb(28, 48, 108)
HSL	hsl(225, 59%, 27%)
HSV	hsv(225, 74%, 42%)
CMYK	cmyk(74.1%, 55.6%, 0%, 57.6%)
CIE-LAB	lab(21.74, 14.69, -37.36)
CIE-LCH	lch(21.74, 40.15, 291.46°)
OKLab	oklab(33.07% -0.0064 -0.1074)
OKLCH	oklch(33.07% 0.108 266.6)
XYZ	xyz(4.2417, 3.4431, 14.6255)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C306C #6C581C

analogous

#1C586C #1C306C #301C6C

triadic

#1C306C #6C1C30 #306C1C

tetradic

#1C306C #6C1C58 #6C581C #1C6C30

square

#1C306C #6C1C58 #6C581C #1C6C30

split-complementary

#1C306C #6C301C #586C1C

monochromatic

#060B18 #0F1A3B #1C306C #29469D #375CCB

Accessibility & contrast

On white

12.44

#1C306C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C306C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C306C

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C306C	#FFFFFF	#000000	##FFFFFF
##1C306C	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07386E

Deuteranopia (green-blind)

#00316B

Tritanopia (blue-blind)

#003E49

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c306c;
/* rgb */ color: rgb(28, 48, 108);
/* oklch */ color: oklch(33.1% 0.108 266.6);

Tailwind

colors: {
  custom: {
    50: '#646797',
    500: '#1c306c',
    950: '#000000',
  },
}

SCSS

$custom: #1c306c;
$custom-light: #646797;
$custom-dark: #000000;

JSON

{
  "hex": "#1c306c",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 108
  },
  "hsl": {
    "h": 225,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.33067,
    "c": 0.10763,
    "h": 266.6
  },
  "luminance": 0.03443
}

Semantic roles & 50–950 ramp

primary

#1C306C

secondary

#A18943

accent

#BB46E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1C306C

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

Preview Lab → · Contrast checker → · Palette generator →