#1F6CB3#1F6CB3

#1F6CB3 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.3% C 0.133 H 250.8°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#1F6CB3
RGB	rgb(31, 108, 179)
HSL	hsl(209, 70%, 41%)
HSV	hsv(209, 83%, 70%)
CMYK	cmyk(82.7%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(44.62, 3.16, -44.08)
CIE-LCH	lch(44.62, 44.19, 274.10°)
OKLab	oklab(52.26% -0.0438 -0.126)
OKLCH	oklch(52.26% 0.133 250.8)
XYZ	xyz(14.0612, 14.2694, 44.6522)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6CB3 #B3661F

analogous

#1FB3B0 #1F6CB3 #1F22B3

triadic

#1F6CB3 #B31F6C #6CB31F

tetradic

#1F6CB3 #B01FB3 #B3661F #22B31F

square

#1F6CB3 #B01FB3 #B3661F #22B31F

split-complementary

#1F6CB3 #B31F22 #B3B01F

monochromatic

#0D2D4B #164D7F #1F6CB3 #338BDC #68A9E5

Accessibility & contrast

On white

5.45

#1F6CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#1F6CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6CB3

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6CB3	#FFFFFF	#000000	##FFFFFF
##1F6CB3	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A71B6

Deuteranopia (green-blind)

#3263B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1f6cb3;
/* rgb */ color: rgb(31, 108, 179);
/* oklch */ color: oklch(52.3% 0.133 250.8);

Tailwind

colors: {
  custom: {
    50: '#7495ca',
    500: '#1f6cb3',
    950: '#000000',
  },
}

SCSS

$custom: #1f6cb3;
$custom-light: #7495ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6cb3",
  "rgb": {
    "r": 31,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 208.784,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.52264,
    "c": 0.13338,
    "h": 250.8
  },
  "luminance": 0.14271
}

Semantic roles & 50–950 ramp

primary

#1F6CB3

secondary

#CA9564

accent

#903BED

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #1F6CB3

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

Preview Lab → · Contrast checker → · Palette generator →