#1C336C#1C336C

#1C336C is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.8% C 0.104 H 264.8°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#1C336C
RGB	rgb(28, 51, 108)
HSL	hsl(223, 59%, 27%)
HSV	hsv(223, 74%, 42%)
CMYK	cmyk(74.1%, 52.8%, 0%, 57.6%)
CIE-LAB	lab(22.64, 12.54, -35.90)
CIE-LCH	lch(22.64, 38.03, 289.25°)
OKLab	oklab(33.75% -0.0093 -0.1031)
OKLCH	oklch(33.75% 0.104 264.8)
XYZ	xyz(4.3685, 3.6968, 14.6678)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C336C #6C551C

analogous

#1C5B6C #1C336C #2D1C6C

triadic

#1C336C #6C1C33 #336C1C

tetradic

#1C336C #6C1C5B #6C551C #1C6C2D

square

#1C336C #6C1C5B #6C551C #1C6C2D

split-complementary

#1C336C #6C2D1C #5B6C1C

monochromatic

#060B18 #0F1C3B #1C336C #294A9D #3762CB

Accessibility & contrast

On white

12.07

#1C336C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C336C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C336C

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C336C	#FFFFFF	#000000	##FFFFFF
##1C336C	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123A6E

Deuteranopia (green-blind)

#00336B

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c336c;
/* rgb */ color: rgb(28, 51, 108);
/* oklch */ color: oklch(33.8% 0.104 264.8);

Tailwind

colors: {
  custom: {
    50: '#646a96',
    500: '#1c336c',
    950: '#000000',
  },
}

SCSS

$custom: #1c336c;
$custom-light: #646a96;
$custom-dark: #000000;

JSON

{
  "hex": "#1c336c",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 108
  },
  "hsl": {
    "h": 222.75,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.33754,
    "c": 0.10351,
    "h": 264.8
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary

#1C336C

secondary

#A18643

accent

#B546E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1C336C

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

Preview Lab → · Contrast checker → · Palette generator →