#1C4170#1C4170

#1C4170 is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.4% C 0.091 H 255.7°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C4170
RGB	rgb(28, 65, 112)
HSL	hsl(214, 60%, 27%)
HSV	hsv(214, 75%, 44%)
CMYK	cmyk(75%, 42%, 0%, 56.1%)
CIE-LAB	lab(27.29, 4.35, -31.02)
CIE-LCH	lch(27.29, 31.32, 277.98°)
OKLab	oklab(37.42% -0.0226 -0.0885)
OKLCH	oklch(37.42% 0.091 255.7)
XYZ	xyz(5.2927, 5.1967, 16.0502)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4170 #704B1C

analogous

#1C6B70 #1C4170 #211C70

triadic

#1C4170 #701C41 #41701C

tetradic

#1C4170 #701C6B #704B1C #1C7021

square

#1C4170 #701C6B #704B1C #1C7021

split-complementary

#1C4170 #70211C #6B701C

monochromatic

#060E18 #10253F #1C4170 #285DA1 #397ACD

Accessibility & contrast

On white

10.30

#1C4170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1C4170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4170

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4170	#FFFFFF	#000000	##FFFFFF
##1C4170	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4572

Deuteranopia (green-blind)

#1E3D6F

Tritanopia (blue-blind)

#004C53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c4170;
/* rgb */ color: rgb(28, 65, 112);
/* oklch */ color: oklch(37.4% 0.091 255.7);

Tailwind

colors: {
  custom: {
    50: '#647599',
    500: '#1c4170',
    950: '#000000',
  },
}

SCSS

$custom: #1c4170;
$custom-light: #647599;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4170",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 112
  },
  "hsl": {
    "h": 213.571,
    "s": 60,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3742,
    "c": 0.09131,
    "h": 255.7
  },
  "luminance": 0.05197
}

Semantic roles & 50–950 ramp

primary

#1C4170

secondary

#A57A43

accent

#9D45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1C4170

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

Preview Lab → · Contrast checker → · Palette generator →