#1F5CA6#1F5CA6

#1F5CA6 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.7% C 0.134 H 255.6°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F5CA6
RGB	rgb(31, 92, 166)
HSL	hsl(213, 69%, 39%)
HSV	hsv(213, 81%, 65%)
CMYK	cmyk(81.3%, 44.6%, 0%, 34.9%)
CIE-LAB	lab(39.07, 8.30, -45.30)
CIE-LCH	lch(39.07, 46.05, 280.39°)
OKLab	oklab(47.69% -0.0334 -0.1299)
OKLCH	oklch(47.69% 0.134 255.6)
XYZ	xyz(11.2726, 10.6974, 37.5397)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5CA6 #A6691F

analogous

#1F9FA6 #1F5CA6 #251FA6

triadic

#1F5CA6 #A61F5C #5CA61F

tetradic

#1F5CA6 #A61F9F #A6691F #1FA625

square

#1F5CA6 #A61F9F #A6691F #1FA625

split-complementary

#1F5CA6 #A6251F #9FA61F

monochromatic

#0C233F #153F72 #1F5CA6 #2B79D7 #5E99E1

Accessibility & contrast

On white

6.69

#1F5CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1F5CA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5CA6

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5CA6	#FFFFFF	#000000	##FFFFFF
##1F5CA6	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3663A9

Deuteranopia (green-blind)

#1A56A5

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f5ca6;
/* rgb */ color: rgb(31, 92, 166);
/* oklch */ color: oklch(47.7% 0.134 255.6);

Tailwind

colors: {
  custom: {
    50: '#7189c1',
    500: '#1f5ca6',
    950: '#000000',
  },
}

SCSS

$custom: #1f5ca6;
$custom-light: #7189c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5ca6",
  "rgb": {
    "r": 31,
    "g": 92,
    "b": 166
  },
  "hsl": {
    "h": 212.889,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47687,
    "c": 0.1341,
    "h": 255.6
  },
  "luminance": 0.10699
}

Semantic roles & 50–950 ramp

primary

#1F5CA6

secondary

#C5965B

accent

#9C3CEB

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5CA6

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

Preview Lab → · Contrast checker → · Palette generator →