#1D50A6#1D50A6

#1D50A6 is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.149 H 260.3°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D50A6
RGB	rgb(29, 80, 166)
HSL	hsl(218, 70%, 38%)
HSV	hsv(218, 83%, 65%)
CMYK	cmyk(82.5%, 51.8%, 0%, 34.9%)
CIE-LAB	lab(35.50, 16.06, -51.05)
CIE-LCH	lch(35.50, 53.51, 287.46°)
OKLab	oklab(44.93% -0.0251 -0.1471)
OKLCH	oklch(44.93% 0.149 260.3)
XYZ	xyz(10.2558, 8.7505, 37.2175)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D50A6 #A6731D

analogous

#1D94A6 #1D50A6 #2E1DA6

triadic

#1D50A6 #A61D50 #50A61D

tetradic

#1D50A6 #A61D94 #A6731D #1DA62E

square

#1D50A6 #A61D94 #A6731D #1DA62E

split-complementary

#1D50A6 #A62E1D #94A61D

monochromatic

#0B1E3E #143772 #1D50A6 #2769D9 #5B8DE2

Accessibility & contrast

On white

7.64

#1D50A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1D50A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D50A6

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D50A6	#FFFFFF	#000000	##FFFFFF
##1D50A6	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165AA9

Deuteranopia (green-blind)

#004EA4

Tritanopia (blue-blind)

#006573

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d50a6;
/* rgb */ color: rgb(29, 80, 166);
/* oklch */ color: oklch(44.9% 0.149 260.3);

Tailwind

colors: {
  custom: {
    50: '#7180c1',
    500: '#1d50a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d50a6;
$custom-light: #7180c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d50a6",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 166
  },
  "hsl": {
    "h": 217.664,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.44926,
    "c": 0.14918,
    "h": 260.3
  },
  "luminance": 0.08752
}

Semantic roles & 50–950 ramp

primary

#1D50A6

secondary

#C69D59

accent

#AB3BED

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D50A6

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

Preview Lab → · Contrast checker → · Palette generator →