#1C396B#1C396B

#1C396B is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.094 H 260.5°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C396B
RGB	rgb(28, 57, 107)
HSL	hsl(218, 59%, 26%)
HSV	hsv(218, 74%, 42%)
CMYK	cmyk(73.8%, 46.7%, 0%, 58%)
CIE-LAB	lab(24.43, 7.87, -32.38)
CIE-LCH	lch(24.43, 33.33, 283.66°)
OKLab	oklab(35.1% -0.0155 -0.0926)
OKLCH	oklch(35.1% 0.094 260.5)
XYZ	xyz(4.5949, 4.2342, 14.4822)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C396B #6B4E1C

analogous

#1C616B #1C396B #271C6B

triadic

#1C396B #6B1C39 #396B1C

tetradic

#1C396B #6B1C61 #6B4E1C #1C6B27

square

#1C396B #6B1C61 #6B4E1C #1C6B27

split-complementary

#1C396B #6B271C #616B1C

monochromatic

#060D18 #0F1F3A #1C396B #29539C #376DCB

Accessibility & contrast

On white

11.37

#1C396B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C396B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C396B

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C396B	#FFFFFF	#000000	##FFFFFF
##1C396B	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203E6D

Deuteranopia (green-blind)

#12376A

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c396b;
/* rgb */ color: rgb(28, 57, 107);
/* oklch */ color: oklch(35.1% 0.094 260.5);

Tailwind

colors: {
  custom: {
    50: '#636e96',
    500: '#1c396b',
    950: '#000000',
  },
}

SCSS

$custom: #1c396b;
$custom-light: #636e96;
$custom-dark: #000000;

JSON

{
  "hex": "#1c396b",
  "rgb": {
    "r": 28,
    "g": 57,
    "b": 107
  },
  "hsl": {
    "h": 217.975,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35102,
    "c": 0.09391,
    "h": 260.5
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#1C396B

secondary

#A07E43

accent

#A946E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1C396B

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

Preview Lab → · Contrast checker → · Palette generator →