#1C405A#1C405A

#1C405A is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.8% C 0.061 H 242.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#1C405A
RGB	rgb(28, 64, 90)
HSL	hsl(205, 53%, 23%)
HSV	hsv(205, 69%, 35%)
CMYK	cmyk(68.9%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(25.72, -3.65, -19.35)
CIE-LCH	lch(25.72, 19.69, 259.31°)
OKLab	oklab(35.78% -0.0283 -0.0544)
OKLCH	oklch(35.78% 0.061 242.5)
XYZ	xyz(4.1571, 4.6514, 10.3496)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C405A #5A361C

analogous

#1C5A55 #1C405A #1C215A

triadic

#1C405A #5A1C40 #405A1C

tetradic

#1C405A #551C5A #5A361C #215A1C

square

#1C405A #551C5A #5A361C #215A1C

split-complementary

#1C405A #5A1C21 #5A551C

monochromatic

#071117 #0D1F2B #1C405A #2B6189 #3982B7

Accessibility & contrast

On white

10.88

#1C405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1C405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C405A

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C405A	#FFFFFF	#000000	##FFFFFF
##1C405A	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405B

Deuteranopia (green-blind)

#2C3A5A

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c405a;
/* rgb */ color: rgb(28, 64, 90);
/* oklch */ color: oklch(35.8% 0.061 242.5);

Tailwind

colors: {
  custom: {
    50: '#607488',
    500: '#1c405a',
    950: '#000000',
  },
}

SCSS

$custom: #1c405a;
$custom-light: #607488;
$custom-dark: #000000;

JSON

{
  "hex": "#1c405a",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 205.161,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35782,
    "c": 0.06137,
    "h": 242.5
  },
  "luminance": 0.04652
}

Semantic roles & 50–950 ramp

primary

#1C405A

secondary

#8F6342

accent

#884CDC

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1C405A

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

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