#1D7F9B#1D7F9B

#1D7F9B is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.6% C 0.095 H 222.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D7F9B
RGB	rgb(29, 127, 155)
HSL	hsl(193, 68%, 36%)
HSV	hsv(193, 81%, 61%)
CMYK	cmyk(81.3%, 18.1%, 0%, 39.2%)
CIE-LAB	lab(49.26, -17.17, -22.77)
CIE-LCH	lch(49.26, 28.52, 232.99°)
OKLab	oklab(55.55% -0.0701 -0.0638)
OKLCH	oklch(55.55% 0.095 222.3)
XYZ	xyz(14.0100, 17.8048, 33.7023)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D7F9B #9B391D

analogous

#1D9B78 #1D7F9B #1D409B

triadic

#1D7F9B #9B1D7F #7F9B1D

tetradic

#1D7F9B #781D9B #9B391D #409B1D

square

#1D7F9B #781D9B #9B391D #409B1D

split-complementary

#1D7F9B #9B1D40 #9B781D

monochromatic

#0A2B34 #135567 #1D7F9B #27A9CF #53C0DF

Accessibility & contrast

On white

4.60

#1D7F9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#1D7F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1D7F9B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D7F9B	#FFFFFF	#000000	##FFFFFF
##1D7F9B	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9C

Deuteranopia (green-blind)

#5E709B

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1d7f9b;
/* rgb */ color: rgb(29, 127, 155);
/* oklch */ color: oklch(55.6% 0.095 222.3);

Tailwind

colors: {
  custom: {
    50: '#70a4b8',
    500: '#1d7f9b',
    950: '#000000',
  },
}

SCSS

$custom: #1d7f9b;
$custom-light: #70a4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d7f9b",
  "rgb": {
    "r": 29,
    "g": 127,
    "b": 155
  },
  "hsl": {
    "h": 193.333,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.55551,
    "c": 0.09481,
    "h": 222.3
  },
  "luminance": 0.17807
}

Semantic roles & 50–950 ramp

primary

#1D7F9B

secondary

#C26B52

accent

#633CEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D7F9B

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

Preview Lab → · Contrast checker → · Palette generator →