#1C4B60#1C4B60

#1C4B60 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.1% C 0.062 H 230.6°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C4B60
RGB	rgb(28, 75, 96)
HSL	hsl(199, 55%, 24%)
HSV	hsv(199, 71%, 38%)
CMYK	cmyk(70.8%, 21.9%, 0%, 62.4%)
CIE-LAB	lab(29.72, -8.42, -17.00)
CIE-LCH	lch(29.72, 18.97, 243.66°)
OKLab	oklab(39.06% -0.0391 -0.0476)
OKLCH	oklch(39.06% 0.062 230.6)
XYZ	xyz(5.1055, 6.1230, 11.9769)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4B60 #60311C

analogous

#1C6053 #1C4B60 #1C2960

triadic

#1C4B60 #601C4B #4B601C

tetradic

#1C4B60 #531C60 #60311C #29601C

square

#1C4B60 #531C60 #60311C #29601C

split-complementary

#1C4B60 #601C29 #60531C

monochromatic

#071318 #0E2631 #1C4B60 #2A708F #3895BF

Accessibility & contrast

On white

9.44

#1C4B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1C4B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4B60

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4B60	#FFFFFF	#000000	##FFFFFF
##1C4B60	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404A61

Deuteranopia (green-blind)

#374360

Tritanopia (blue-blind)

#005152

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4b60;
/* rgb */ color: rgb(28, 75, 96);
/* oklch */ color: oklch(39.1% 0.062 230.6);

Tailwind

colors: {
  custom: {
    50: '#617d8d',
    500: '#1c4b60',
    950: '#000000',
  },
}

SCSS

$custom: #1c4b60;
$custom-light: #617d8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4b60",
  "rgb": {
    "r": 28,
    "g": 75,
    "b": 96
  },
  "hsl": {
    "h": 198.529,
    "s": 54.839,
    "l": 24.314
  },
  "oklch": {
    "l": 0.39056,
    "c": 0.06162,
    "h": 230.6
  },
  "luminance": 0.06124
}

Semantic roles & 50–950 ramp

primary

#1C4B60

secondary

#955C42

accent

#774ADE

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1C4B60

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

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