#1C405C#1C405C

#1C405C is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.064 H 244.5°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#1C405C
RGB	rgb(28, 64, 92)
HSL	hsl(206, 53%, 24%)
HSV	hsv(206, 70%, 36%)
CMYK	cmyk(69.6%, 30.4%, 0%, 63.9%)
CIE-LAB	lab(25.82, -2.89, -20.49)
CIE-LCH	lch(25.82, 20.69, 261.98°)
OKLab	oklab(35.9% -0.0276 -0.0577)
OKLCH	oklch(35.9% 0.064 244.5)
XYZ	xyz(4.2433, 4.6859, 10.8040)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C405C #5C381C

analogous

#1C5C58 #1C405C #1C205C

triadic

#1C405C #5C1C40 #405C1C

tetradic

#1C405C #581C5C #5C381C #205C1C

square

#1C405C #581C5C #5C381C #205C1C

split-complementary

#1C405C #5C1C20 #5C581C

monochromatic

#071017 #0E1F2D #1C405C #2A618B #3981BA

Accessibility & contrast

On white

10.84

#1C405C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1C405C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C405C

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C405C	#FFFFFF	#000000	##FFFFFF
##1C405C	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34415D

Deuteranopia (green-blind)

#2B3A5B

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c405c;
/* rgb */ color: rgb(28, 64, 92);
/* oklch */ color: oklch(35.9% 0.064 244.5);

Tailwind

colors: {
  custom: {
    50: '#60748a',
    500: '#1c405c',
    950: '#000000',
  },
}

SCSS

$custom: #1c405c;
$custom-light: #60748a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c405c",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 92
  },
  "hsl": {
    "h": 206.25,
    "s": 53.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35897,
    "c": 0.06399,
    "h": 244.5
  },
  "luminance": 0.04686
}

Semantic roles & 50–950 ramp

primary

#1C405C

secondary

#916542

accent

#8B4BDD

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1C405C

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

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