#1C345F#1C345F

#1C345F is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.0% C 0.082 H 261.1°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#1C345F
RGB	rgb(28, 52, 95)
HSL	hsl(219, 54%, 24%)
HSV	hsv(219, 71%, 37%)
CMYK	cmyk(70.5%, 45.3%, 0%, 62.7%)
CIE-LAB	lab(22.05, 6.54, -28.41)
CIE-LCH	lch(22.05, 29.15, 282.97°)
OKLab	oklab(33.01% -0.0127 -0.081)
OKLCH	oklch(33.01% 0.082 261.1)
XYZ	xyz(3.7717, 3.5287, 11.3066)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C345F #5F471C

analogous

#1C565F #1C345F #251C5F

triadic

#1C345F #5F1C34 #345F1C

tetradic

#1C345F #5F1C56 #5F471C #1C5F25

square

#1C345F #5F1C56 #5F471C #1C5F25

split-complementary

#1C345F #5F251C #565F1C

monochromatic

#070D18 #0E1A30 #1C345F #2A4E8E #3868BE

Accessibility & contrast

On white

12.31

#1C345F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1C345F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C345F

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C345F	#FFFFFF	#000000	##FFFFFF
##1C345F	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203861

Deuteranopia (green-blind)

#15325E

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c345f;
/* rgb */ color: rgb(28, 52, 95);
/* oklch */ color: oklch(33.0% 0.082 261.1);

Tailwind

colors: {
  custom: {
    50: '#606b8d',
    500: '#1c345f',
    950: '#000000',
  },
}

SCSS

$custom: #1c345f;
$custom-light: #606b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c345f",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 95
  },
  "hsl": {
    "h": 218.507,
    "s": 54.472,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33006,
    "c": 0.08201,
    "h": 261.1
  },
  "luminance": 0.03529
}

Semantic roles & 50–950 ramp

primary

#1C345F

secondary

#947742

accent

#A94ADE

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1C345F

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

Preview Lab → · Contrast checker → · Palette generator →