#1D758B#1D758B

#1D758B is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.3% C 0.086 H 219.0°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D758B
RGB	rgb(29, 117, 139)
HSL	hsl(192, 65%, 33%)
HSV	hsv(192, 79%, 55%)
CMYK	cmyk(79.1%, 15.8%, 0%, 45.5%)
CIE-LAB	lab(45.42, -17.27, -19.25)
CIE-LCH	lch(45.42, 25.86, 228.10°)
OKLab	oklab(52.25% -0.0666 -0.0538)
OKLCH	oklch(52.25% 0.086 219)
XYZ	xyz(11.5262, 14.8465, 26.6793)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D758B #8B331D

analogous

#1D8B6A #1D758B #1D3E8B

triadic

#1D758B #8B1D75 #758B1D

tetradic

#1D758B #6A1D8B #8B331D #3E8B1D

square

#1D758B #6A1D8B #8B331D #3E8B1D

split-complementary

#1D758B #8B1D3E #8B6A1D

monochromatic

#082026 #124A58 #1D758B #28A0BE #49BCD9

Accessibility & contrast

On white

5.29

#1D758B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#1D758B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D758B

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D758B	#FFFFFF	#000000	##FFFFFF
##1D758B	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728C

Deuteranopia (green-blind)

#59678B

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1d758b;
/* rgb */ color: rgb(29, 117, 139);
/* oklch */ color: oklch(52.3% 0.086 219.0);

Tailwind

colors: {
  custom: {
    50: '#6c9dad',
    500: '#1d758b',
    950: '#000000',
  },
}

SCSS

$custom: #1d758b;
$custom-light: #6c9dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d758b",
  "rgb": {
    "r": 29,
    "g": 117,
    "b": 139
  },
  "hsl": {
    "h": 192,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.52254,
    "c": 0.08561,
    "h": 219
  },
  "luminance": 0.14848
}

Semantic roles & 50–950 ramp

primary

#1D758B

secondary

#BB5F49

accent

#613FE8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D758B

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

Preview Lab → · Contrast checker → · Palette generator →