#1C5F74#1C5F74

#1C5F74 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.4% C 0.073 H 223.1°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C5F74
RGB	rgb(28, 95, 116)
HSL	hsl(194, 61%, 28%)
HSV	hsv(194, 76%, 45%)
CMYK	cmyk(75.9%, 18.1%, 0%, 54.5%)
CIE-LAB	lab(37.28, -13.11, -17.87)
CIE-LCH	lch(37.28, 22.16, 233.73°)
OKLab	oklab(45.4% -0.0534 -0.05)
OKLCH	oklch(45.4% 0.073 223.1)
XYZ	xyz(7.7222, 9.6913, 17.9832)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5F74 #74311C

analogous

#1C745D #1C5F74 #1C3374

triadic

#1C5F74 #741C5F #5F741C

tetradic

#1C5F74 #5D1C74 #74311C #33741C

square

#1C5F74 #5D1C74 #74311C #33741C

split-complementary

#1C5F74 #741C33 #745D1C

monochromatic

#061419 #103743 #1C5F74 #2887A5 #3BACD0

Accessibility & contrast

On white

7.15

#1C5F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#1C5F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5F74

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5F74	#FFFFFF	#000000	##FFFFFF
##1C5F74	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535D75

Deuteranopia (green-blind)

#475474

Tritanopia (blue-blind)

#006566

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1c5f74;
/* rgb */ color: rgb(28, 95, 116);
/* oklch */ color: oklch(45.4% 0.073 223.1);

Tailwind

colors: {
  custom: {
    50: '#668c9c',
    500: '#1c5f74',
    950: '#000000',
  },
}

SCSS

$custom: #1c5f74;
$custom-light: #668c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5f74",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 116
  },
  "hsl": {
    "h": 194.318,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.45395,
    "c": 0.07316,
    "h": 223.1
  },
  "luminance": 0.09692
}

Semantic roles & 50–950 ramp

primary

#1C5F74

secondary

#A85C43

accent

#6A44E4

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1C5F74

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

Preview Lab → · Contrast checker → · Palette generator →