#1F6DB3#1F6DB3

#1F6DB3 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.132 H 250.3°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F6DB3
RGB	rgb(31, 109, 179)
HSL	hsl(208, 70%, 41%)
HSV	hsv(208, 83%, 70%)
CMYK	cmyk(82.7%, 39.1%, 0%, 29.8%)
CIE-LAB	lab(44.92, 2.54, -43.60)
CIE-LCH	lch(44.92, 43.68, 273.33°)
OKLab	oklab(52.5% -0.0447 -0.1246)
OKLCH	oklch(52.5% 0.132 250.3)
XYZ	xyz(14.1673, 14.4815, 44.6876)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6DB3 #B3651F

analogous

#1FB3AF #1F6DB3 #1F23B3

triadic

#1F6DB3 #B31F6D #6DB31F

tetradic

#1F6DB3 #AF1FB3 #B3651F #23B31F

square

#1F6DB3 #AF1FB3 #B3651F #23B31F

split-complementary

#1F6DB3 #B31F23 #B3AF1F

monochromatic

#0D2D4B #164D7F #1F6DB3 #338CDC #68AAE5

Accessibility & contrast

On white

5.39

#1F6DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#1F6DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6DB3

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6DB3	#FFFFFF	#000000	##FFFFFF
##1F6DB3	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B6

Deuteranopia (green-blind)

#3464B2

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1f6db3;
/* rgb */ color: rgb(31, 109, 179);
/* oklch */ color: oklch(52.5% 0.132 250.3);

Tailwind

colors: {
  custom: {
    50: '#7496ca',
    500: '#1f6db3',
    950: '#000000',
  },
}

SCSS

$custom: #1f6db3;
$custom-light: #7496ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6db3",
  "rgb": {
    "r": 31,
    "g": 109,
    "b": 179
  },
  "hsl": {
    "h": 208.378,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.52498,
    "c": 0.13233,
    "h": 250.3
  },
  "luminance": 0.14483
}

Semantic roles & 50–950 ramp

primary

#1F6DB3

secondary

#CA9464

accent

#8F3BED

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #1F6DB3

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

Preview Lab → · Contrast checker → · Palette generator →