#1C406D#1C406D

#1C406D is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 37.0% C 0.088 H 255.3°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C406D
RGB	rgb(28, 64, 109)
HSL	hsl(213, 59%, 27%)
HSV	hsv(213, 74%, 43%)
CMYK	cmyk(74.3%, 41.3%, 0%, 57.3%)
CIE-LAB	lab(26.78, 3.82, -29.91)
CIE-LCH	lch(26.78, 30.15, 277.29°)
OKLab	oklab(36.97% -0.0223 -0.0852)
OKLCH	oklch(36.97% 0.088 255.3)
XYZ	xyz(5.0716, 5.0173, 15.1662)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C406D #6D491C

analogous

#1C696D #1C406D #201C6D

triadic

#1C406D #6D1C40 #406D1C

tetradic

#1C406D #6D1C69 #6D491C #1C6D20

square

#1C406D #6D1C69 #6D491C #1C6D20

split-complementary

#1C406D #6D201C #696D1C

monochromatic

#060E18 #0F233C #1C406D #295D9E #3879CC

Accessibility & contrast

On white

10.48

#1C406D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1C406D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C406D

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C406D	#FFFFFF	#000000	##FFFFFF
##1C406D	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B436F

Deuteranopia (green-blind)

#1F3C6C

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c406d;
/* rgb */ color: rgb(28, 64, 109);
/* oklch */ color: oklch(37.0% 0.088 255.3);

Tailwind

colors: {
  custom: {
    50: '#637497',
    500: '#1c406d',
    950: '#000000',
  },
}

SCSS

$custom: #1c406d;
$custom-light: #637497;
$custom-dark: #000000;

JSON

{
  "hex": "#1c406d",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 109
  },
  "hsl": {
    "h": 213.333,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36967,
    "c": 0.08812,
    "h": 255.3
  },
  "luminance": 0.05018
}

Semantic roles & 50–950 ramp

primary

#1C406D

secondary

#A27843

accent

#9D45E2

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1C406D

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

Preview Lab → · Contrast checker → · Palette generator →