#1C4161#1C4161

#1C4161 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.5% C 0.070 H 247.2°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C4161
RGB	rgb(28, 65, 97)
HSL	hsl(208, 55%, 25%)
HSV	hsv(208, 71%, 38%)
CMYK	cmyk(71.1%, 33%, 0%, 62%)
CIE-LAB	lab(26.42, -1.61, -22.79)
CIE-LCH	lch(26.42, 22.84, 265.95°)
OKLab	oklab(36.46% -0.027 -0.0644)
OKLCH	oklch(36.46% 0.07 247.2)
XYZ	xyz(4.5260, 4.8901, 12.0123)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4161 #613C1C

analogous

#1C615F #1C4161 #1C1F61

triadic

#1C4161 #611C41 #41611C

tetradic

#1C4161 #5F1C61 #613C1C #1F611C

square

#1C4161 #5F1C61 #613C1C #1F611C

split-complementary

#1C4161 #611C1F #615F1C

monochromatic

#071018 #0E2132 #1C4161 #2A6190 #3781C0

Accessibility & contrast

On white

10.62

#1C4161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1C4161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4161

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4161	#FFFFFF	#000000	##FFFFFF
##1C4161	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334262

Deuteranopia (green-blind)

#293C60

Tritanopia (blue-blind)

#00494C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c4161;
/* rgb */ color: rgb(28, 65, 97);
/* oklch */ color: oklch(36.5% 0.070 247.2);

Tailwind

colors: {
  custom: {
    50: '#61758e',
    500: '#1c4161',
    950: '#000000',
  },
}

SCSS

$custom: #1c4161;
$custom-light: #61758e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4161",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 97
  },
  "hsl": {
    "h": 207.826,
    "s": 55.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36456,
    "c": 0.06984,
    "h": 247.2
  },
  "luminance": 0.04891
}

Semantic roles & 50–950 ramp

primary

#1C4161

secondary

#966943

accent

#8E49DF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1C4161

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

Preview Lab → · Contrast checker → · Palette generator →