#1D7E9B#1D7E9B

#1D7E9B is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.3% C 0.095 H 223.3°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D7E9B
RGB	rgb(29, 126, 155)
HSL	hsl(194, 68%, 36%)
HSV	hsv(194, 81%, 61%)
CMYK	cmyk(81.3%, 18.7%, 0%, 39.2%)
CIE-LAB	lab(48.94, -16.62, -23.26)
CIE-LCH	lch(48.94, 28.59, 234.46°)
OKLab	oklab(55.3% -0.0691 -0.0652)
OKLCH	oklch(55.3% 0.095 223.3)
XYZ	xyz(13.8815, 17.5478, 33.6594)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D7E9B #9B3A1D

analogous

#1D9B79 #1D7E9B #1D3F9B

triadic

#1D7E9B #9B1D7E #7E9B1D

tetradic

#1D7E9B #791D9B #9B3A1D #3F9B1D

square

#1D7E9B #791D9B #9B3A1D #3F9B1D

split-complementary

#1D7E9B #9B1D3F #9B791D

monochromatic

#0A2A34 #135467 #1D7E9B #27A8CF #53BFDF

Accessibility & contrast

On white

4.66

#1D7E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#1D7E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1D7E9B

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D7E9B	#FFFFFF	#000000	##FFFFFF
##1D7E9B	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9C

Deuteranopia (green-blind)

#5D6F9B

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1d7e9b;
/* rgb */ color: rgb(29, 126, 155);
/* oklch */ color: oklch(55.3% 0.095 223.3);

Tailwind

colors: {
  custom: {
    50: '#70a3b8',
    500: '#1d7e9b',
    950: '#000000',
  },
}

SCSS

$custom: #1d7e9b;
$custom-light: #70a3b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d7e9b",
  "rgb": {
    "r": 29,
    "g": 126,
    "b": 155
  },
  "hsl": {
    "h": 193.81,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.55298,
    "c": 0.09505,
    "h": 223.3
  },
  "luminance": 0.17549
}

Semantic roles & 50–950 ramp

primary

#1D7E9B

secondary

#C26C52

accent

#653CEB

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D7E9B

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

Preview Lab → · Contrast checker → · Palette generator →