#1C405F#1C405F

#1C405F is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.068 H 247.1°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C405F
RGB	rgb(28, 64, 95)
HSL	hsl(208, 54%, 24%)
HSV	hsv(208, 71%, 37%)
CMYK	cmyk(70.5%, 32.6%, 0%, 62.7%)
CIE-LAB	lab(25.98, -1.72, -22.18)
CIE-LCH	lch(25.98, 22.25, 265.56°)
OKLab	oklab(36.07% -0.0265 -0.0627)
OKLCH	oklch(36.07% 0.068 247.1)
XYZ	xyz(4.3771, 4.7394, 11.5084)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C405F #5F3B1C

analogous

#1C5F5D #1C405F #1C1F5F

triadic

#1C405F #5F1C40 #405F1C

tetradic

#1C405F #5D1C5F #5F3B1C #1F5F1C

square

#1C405F #5D1C5F #5F3B1C #1F5F1C

split-complementary

#1C405F #5F1C1F #5F5D1C

monochromatic

#071018 #0E2030 #1C405F #2A608E #3880BE

Accessibility & contrast

On white

10.78

#1C405F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1C405F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C405F

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C405F	#FFFFFF	#000000	##FFFFFF
##1C405F	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324160

Deuteranopia (green-blind)

#293B5E

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c405f;
/* rgb */ color: rgb(28, 64, 95);
/* oklch */ color: oklch(36.1% 0.068 247.1);

Tailwind

colors: {
  custom: {
    50: '#60748c',
    500: '#1c405f',
    950: '#000000',
  },
}

SCSS

$custom: #1c405f;
$custom-light: #60748c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c405f",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 95
  },
  "hsl": {
    "h": 207.761,
    "s": 54.472,
    "l": 24.118
  },
  "oklch": {
    "l": 0.36074,
    "c": 0.06805,
    "h": 247.1
  },
  "luminance": 0.0474
}

Semantic roles & 50–950 ramp

primary

#1C405F

secondary

#946842

accent

#8E4ADE

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1C405F

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

Preview Lab → · Contrast checker → · Palette generator →