#1D50BC#1D50BC

#1D50BC is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.7% C 0.179 H 262.6°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D50BC
RGB	rgb(29, 80, 188)
HSL	hsl(221, 73%, 43%)
HSV	hsv(221, 85%, 74%)
CMYK	cmyk(84.6%, 57.4%, 0%, 26.3%)
CIE-LAB	lab(37.17, 24.76, -61.36)
CIE-LCH	lch(37.17, 66.17, 291.98°)
OKLab	oklab(46.72% -0.023 -0.1774)
OKLCH	oklch(46.72% 0.179 262.6)
XYZ	xyz(12.4492, 9.6278, 48.7694)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D50BC #BC891D

analogous

#1D9FBC #1D50BC #3A1DBC

triadic

#1D50BC #BC1D50 #50BC1D

tetradic

#1D50BC #BC1D9F #BC891D #1DBC3A

square

#1D50BC #BC1D9F #BC891D #1DBC3A

split-complementary

#1D50BC #BC3A1D #9FBC1D

monochromatic

#0D2352 #153987 #1D50BC #366DE0 #6B93E8

Accessibility & contrast

On white

7.18

#1D50BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1D50BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D50BC

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D50BC	#FFFFFF	#000000	##FFFFFF
##1D50BC	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1d50bc;
/* rgb */ color: rgb(29, 80, 188);
/* oklch */ color: oklch(46.7% 0.179 262.6);

Tailwind

colors: {
  custom: {
    50: '#7780d1',
    500: '#1d50bc',
    950: '#000000',
  },
}

SCSS

$custom: #1d50bc;
$custom-light: #7780d1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d50bc",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 188
  },
  "hsl": {
    "h": 220.755,
    "s": 73.272,
    "l": 42.549
  },
  "oklch": {
    "l": 0.46715,
    "c": 0.17886,
    "h": 262.6
  },
  "luminance": 0.09629
}

Semantic roles & 50–950 ramp

primary

#1D50BC

secondary

#CEAD67

accent

#B538F0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #1D50BC

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

Preview Lab → · Contrast checker → · Palette generator →