#1D6DB3#1D6DB3

#1D6DB3 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.133 H 249.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D6DB3
RGB	rgb(29, 109, 179)
HSL	hsl(208, 72%, 41%)
HSV	hsv(208, 84%, 70%)
CMYK	cmyk(83.8%, 39.1%, 0%, 29.8%)
CIE-LAB	lab(44.87, 2.36, -43.67)
CIE-LCH	lch(44.87, 43.74, 273.09°)
OKLab	oklab(52.45% -0.0455 -0.1248)
OKLCH	oklch(52.45% 0.133 249.9)
XYZ	xyz(14.1089, 14.4514, 44.6849)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D6DB3 #B3631D

analogous

#1DB3AE #1D6DB3 #1D22B3

triadic

#1D6DB3 #B31D6D #6DB31D

tetradic

#1D6DB3 #AE1DB3 #B3631D #22B31D

square

#1D6DB3 #AE1DB3 #B3631D #22B31D

split-complementary

#1D6DB3 #B31D22 #B3AE1D

monochromatic

#0C2D4A #144D7E #1D6DB3 #308CDD #64AAE6

Accessibility & contrast

On white

5.40

#1D6DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#1D6DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6DB3

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D6DB3	#FFFFFF	#000000	##FFFFFF
##1D6DB3	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B6

Deuteranopia (green-blind)

#3364B2

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1d6db3;
/* rgb */ color: rgb(29, 109, 179);
/* oklch */ color: oklch(52.5% 0.133 249.9);

Tailwind

colors: {
  custom: {
    50: '#7396ca',
    500: '#1d6db3',
    950: '#000000',
  },
}

SCSS

$custom: #1d6db3;
$custom-light: #7396ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1d6db3",
  "rgb": {
    "r": 29,
    "g": 109,
    "b": 179
  },
  "hsl": {
    "h": 208,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52452,
    "c": 0.13283,
    "h": 249.9
  },
  "luminance": 0.14453
}

Semantic roles & 50–950 ramp

primary

#1D6DB3

secondary

#CB9261

accent

#8E39EF

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #1D6DB3

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

Preview Lab → · Contrast checker → · Palette generator →