#1C336D#1C336D

#1C336D is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.8% C 0.105 H 265.0°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C336D
RGB	rgb(28, 51, 109)
HSL	hsl(223, 59%, 27%)
HSV	hsv(223, 74%, 43%)
CMYK	cmyk(74.3%, 53.2%, 0%, 57.3%)
CIE-LAB	lab(22.72, 12.95, -36.42)
CIE-LCH	lch(22.72, 38.66, 289.57°)
OKLab	oklab(33.83% -0.0092 -0.1046)
OKLCH	oklch(33.83% 0.105 265)
XYZ	xyz(4.4221, 3.7182, 14.9497)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C336D #6D561C

analogous

#1C5C6D #1C336D #2E1C6D

triadic

#1C336D #6D1C33 #336D1C

tetradic

#1C336D #6D1C5C #6D561C #1C6D2E

square

#1C336D #6D1C5C #6D561C #1C6D2E

split-complementary

#1C336D #6D2E1C #5C6D1C

monochromatic

#060B18 #0F1C3C #1C336D #294A9E #3862CC

Accessibility & contrast

On white

12.04

#1C336D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C336D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C336D

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C336D	#FFFFFF	#000000	##FFFFFF
##1C336D	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103A6F

Deuteranopia (green-blind)

#00336C

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c336d;
/* rgb */ color: rgb(28, 51, 109);
/* oklch */ color: oklch(33.8% 0.105 265.0);

Tailwind

colors: {
  custom: {
    50: '#646a97',
    500: '#1c336d',
    950: '#000000',
  },
}

SCSS

$custom: #1c336d;
$custom-light: #646a97;
$custom-dark: #000000;

JSON

{
  "hex": "#1c336d",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 109
  },
  "hsl": {
    "h": 222.963,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33834,
    "c": 0.10503,
    "h": 265
  },
  "luminance": 0.03719
}

Semantic roles & 50–950 ramp

primary

#1C336D

secondary

#A28743

accent

#B645E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1C336D

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

Preview Lab → · Contrast checker → · Palette generator →