#1D8BAD#1D8BAD

#1D8BAD is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.4% C 0.105 H 224.6°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D8BAD
RGB	rgb(29, 139, 173)
HSL	hsl(194, 71%, 40%)
HSV	hsv(194, 83%, 68%)
CMYK	cmyk(83.2%, 19.7%, 0%, 32.2%)
CIE-LAB	lab(53.75, -17.41, -26.26)
CIE-LCH	lch(53.75, 31.51, 236.46°)
OKLab	oklab(59.4% -0.0747 -0.0737)
OKLCH	oklch(59.4% 0.105 224.6)
XYZ	xyz(17.2790, 21.7414, 42.8129)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8BAD #AD3F1D

analogous

#1DAD87 #1D8BAD #1D43AD

triadic

#1D8BAD #AD1D8B #8BAD1D

tetradic

#1D8BAD #871DAD #AD3F1D #43AD1D

square

#1D8BAD #871DAD #AD3F1D #43AD1D

split-complementary

#1D8BAD #AD1D43 #AD871D

monochromatic

#0B3744 #146179 #1D8BAD #2CB2DC #60C5E4

Accessibility & contrast

On white

3.93

#1D8BAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#1D8BAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8BAD

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8BAD	#FFFFFF	#000000	##000000
##1D8BAD	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888AF

Deuteranopia (green-blind)

#657BAD

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1d8bad;
/* rgb */ color: rgb(29, 139, 173);
/* oklch */ color: oklch(59.4% 0.105 224.6);

Tailwind

colors: {
  custom: {
    50: '#74adc5',
    500: '#1d8bad',
    950: '#000000',
  },
}

SCSS

$custom: #1d8bad;
$custom-light: #74adc5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8bad",
  "rgb": {
    "r": 29,
    "g": 139,
    "b": 173
  },
  "hsl": {
    "h": 194.167,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.59403,
    "c": 0.10494,
    "h": 224.6
  },
  "luminance": 0.21744
}

Semantic roles & 50–950 ramp

primary

#1D8BAD

secondary

#C9765D

accent

#643AEE

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1D8BAD

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

Preview Lab → · Contrast checker → · Palette generator →