#1C4D64#1C4D64

#1C4D64 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 39.8% C 0.065 H 232.1°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D64
RGB	rgb(28, 77, 100)
HSL	hsl(199, 56%, 25%)
HSV	hsv(199, 72%, 39%)
CMYK	cmyk(72%, 23%, 0%, 60.8%)
CIE-LAB	lab(30.58, -8.17, -18.22)
CIE-LCH	lch(30.58, 19.97, 245.84°)
OKLab	oklab(39.8% -0.0398 -0.0511)
OKLCH	oklch(39.8% 0.065 232.1)
XYZ	xyz(5.4321, 6.4741, 13.0175)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D64 #64331C

analogous

#1C6457 #1C4D64 #1C2964

triadic

#1C4D64 #641C4D #4D641C

tetradic

#1C4D64 #571C64 #64331C #29641C

square

#1C4D64 #571C64 #64331C #29641C

split-complementary

#1C4D64 #641C29 #64571C

monochromatic

#071218 #0F2834 #1C4D64 #297294 #3797C4

Accessibility & contrast

On white

9.15

#1C4D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1C4D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D64

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D64	#FFFFFF	#000000	##FFFFFF
##1C4D64	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424C65

Deuteranopia (green-blind)

#384564

Tritanopia (blue-blind)

#005355

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4d64;
/* rgb */ color: rgb(28, 77, 100);
/* oklch */ color: oklch(39.8% 0.065 232.1);

Tailwind

colors: {
  custom: {
    50: '#627e90',
    500: '#1c4d64',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d64;
$custom-light: #627e90;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d64",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 100
  },
  "hsl": {
    "h": 199.167,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.39801,
    "c": 0.06479,
    "h": 232.1
  },
  "luminance": 0.06475
}

Semantic roles & 50–950 ramp

primary

#1C4D64

secondary

#995E43

accent

#7948E0

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1C4D64

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

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