#1D5F74#1D5F74

#1D5F74 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.4% C 0.073 H 223.3°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#1D5F74
RGB	rgb(29, 95, 116)
HSL	hsl(194, 60%, 28%)
HSV	hsv(194, 75%, 45%)
CMYK	cmyk(75%, 18.1%, 0%, 54.5%)
CIE-LAB	lab(37.31, -12.96, -17.82)
CIE-LCH	lch(37.31, 22.04, 233.97°)
OKLab	oklab(45.42% -0.0529 -0.0498)
OKLCH	oklch(45.42% 0.073 223.3)
XYZ	xyz(7.7500, 9.7057, 17.9845)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5F74 #74321D

analogous

#1D745D #1D5F74 #1D3374

triadic

#1D5F74 #741D5F #5F741D

tetradic

#1D5F74 #5D1D74 #74321D #33741D

square

#1D5F74 #5D1D74 #74321D #33741D

split-complementary

#1D5F74 #741D33 #745D1D

monochromatic

#061418 #113743 #1D5F74 #2987A5 #3DABCE

Accessibility & contrast

On white

7.14

#1D5F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#1D5F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5F74

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5F74	#FFFFFF	#000000	##FFFFFF
##1D5F74	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	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: #1d5f74;
/* rgb */ color: rgb(29, 95, 116);
/* oklch */ color: oklch(45.4% 0.073 223.3);

Tailwind

colors: {
  custom: {
    50: '#668c9c',
    500: '#1d5f74',
    950: '#000000',
  },
}

SCSS

$custom: #1d5f74;
$custom-light: #668c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5f74",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 116
  },
  "hsl": {
    "h": 194.483,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.45424,
    "c": 0.07269,
    "h": 223.3
  },
  "luminance": 0.09707
}

Semantic roles & 50–950 ramp

primary

#1D5F74

secondary

#A85D45

accent

#6B45E3

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1D5F74

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

Preview Lab → · Contrast checker → · Palette generator →