#1F50AE#1F50AE

#1F50AE is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.160 H 261.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#1F50AE
RGB	rgb(31, 80, 174)
HSL	hsl(219, 70%, 40%)
HSV	hsv(219, 82%, 68%)
CMYK	cmyk(82.2%, 54%, 0%, 31.8%)
CIE-LAB	lab(36.14, 19.43, -54.76)
CIE-LCH	lch(36.14, 58.10, 289.53°)
OKLab	oklab(45.62% -0.023 -0.158)
OKLCH	oklch(45.62% 0.16 261.7)
XYZ	xyz(11.0710, 9.0833, 41.2059)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F50AE #AE7D1F

analogous

#1F97AE #1F50AE #361FAE

triadic

#1F50AE #AE1F50 #50AE1F

tetradic

#1F50AE #AE1F97 #AE7D1F #1FAE36

square

#1F50AE #AE1F97 #AE7D1F #1FAE36

split-complementary

#1F50AE #AE361F #97AE1F

monochromatic

#0C2046 #16387A #1F50AE #306ADA #6490E3

Accessibility & contrast

On white

7.45

#1F50AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#1F50AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F50AE

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F50AE	#FFFFFF	#000000	##FFFFFF
##1F50AE	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB1

Deuteranopia (green-blind)

#004FAC

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1f50ae;
/* rgb */ color: rgb(31, 80, 174);
/* oklch */ color: oklch(45.6% 0.160 261.7);

Tailwind

colors: {
  custom: {
    50: '#7380c7',
    500: '#1f50ae',
    950: '#000000',
  },
}

SCSS

$custom: #1f50ae;
$custom-light: #7380c7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f50ae",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 174
  },
  "hsl": {
    "h": 219.441,
    "s": 69.756,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45619,
    "c": 0.15963,
    "h": 261.7
  },
  "luminance": 0.09085
}

Semantic roles & 50–950 ramp

primary

#1F50AE

secondary

#C8A560

accent

#B03BED

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1F50AE

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

Preview Lab → · Contrast checker → · Palette generator →