#1C336E#1C336E

#1C336E is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.107 H 265.1°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#1C336E
RGB	rgb(28, 51, 110)
HSL	hsl(223, 59%, 27%)
HSV	hsv(223, 75%, 43%)
CMYK	cmyk(74.5%, 53.6%, 0%, 56.9%)
CIE-LAB	lab(22.79, 13.35, -36.95)
CIE-LCH	lch(22.79, 39.29, 289.87°)
OKLab	oklab(33.92% -0.009 -0.1062)
OKLCH	oklch(33.92% 0.107 265.1)
XYZ	xyz(4.4762, 3.7399, 15.2348)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C336E #6E571C

analogous

#1C5C6E #1C336E #2E1C6E

triadic

#1C336E #6E1C33 #336E1C

tetradic

#1C336E #6E1C5C #6E571C #1C6E2E

square

#1C336E #6E1C5C #6E571C #1C6E2E

split-complementary

#1C336E #6E2E1C #5C6E1C

monochromatic

#060B18 #101C3D #1C336E #284A9F #3862CC

Accessibility & contrast

On white

12.01

#1C336E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C336E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C336E

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C336E	#FFFFFF	#000000	##FFFFFF
##1C336E	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3A70

Deuteranopia (green-blind)

#00336D

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c336e;
/* rgb */ color: rgb(28, 51, 110);
/* oklch */ color: oklch(33.9% 0.107 265.1);

Tailwind

colors: {
  custom: {
    50: '#646a98',
    500: '#1c336e',
    950: '#000000',
  },
}

SCSS

$custom: #1c336e;
$custom-light: #646a98;
$custom-dark: #000000;

JSON

{
  "hex": "#1c336e",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 110
  },
  "hsl": {
    "h": 223.171,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33915,
    "c": 0.10655,
    "h": 265.1
  },
  "luminance": 0.0374
}

Semantic roles & 50–950 ramp

primary

#1C336E

secondary

#A38843

accent

#B645E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C336E

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

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