#1C5F71#1C5F71

#1C5F71 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.3% C 0.071 H 219.6°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C5F71
RGB	rgb(28, 95, 113)
HSL	hsl(193, 60%, 28%)
HSV	hsv(193, 75%, 44%)
CMYK	cmyk(75.2%, 15.9%, 0%, 55.7%)
CIE-LAB	lab(37.16, -14.18, -16.21)
CIE-LCH	lch(37.16, 21.54, 228.82°)
OKLab	oklab(45.25% -0.0547 -0.0453)
OKLCH	oklch(45.25% 0.071 219.6)
XYZ	xyz(7.5505, 9.6227, 17.0790)
Luminance	0.0962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5F71 #712E1C

analogous

#1C7159 #1C5F71 #1C3471

triadic

#1C5F71 #711C5F #5F711C

tetradic

#1C5F71 #591C71 #712E1C #34711C

square

#1C5F71 #591C71 #712E1C #34711C

split-complementary

#1C5F71 #711C34 #71591C

monochromatic

#061519 #103640 #1C5F71 #2888A2 #39AFCE

Accessibility & contrast

On white

7.18

#1C5F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1C5F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5F71

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5F71	#FFFFFF	#000000	##FFFFFF
##1C5F71	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545C72

Deuteranopia (green-blind)

#485471

Tritanopia (blue-blind)

#006565

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c5f71;
/* rgb */ color: rgb(28, 95, 113);
/* oklch */ color: oklch(45.3% 0.071 219.6);

Tailwind

colors: {
  custom: {
    50: '#668c99',
    500: '#1c5f71',
    950: '#000000',
  },
}

SCSS

$custom: #1c5f71;
$custom-light: #668c99;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5f71",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 113
  },
  "hsl": {
    "h": 192.706,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.45252,
    "c": 0.071,
    "h": 219.6
  },
  "luminance": 0.09624
}

Semantic roles & 50–950 ramp

primary

#1C5F71

secondary

#A65843

accent

#6644E3

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #1C5F71

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

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