#1D50A1#1D50A1

#1D50A1 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.5% C 0.142 H 259.6°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#1D50A1
RGB	rgb(29, 80, 161)
HSL	hsl(217, 69%, 37%)
HSV	hsv(217, 82%, 63%)
CMYK	cmyk(82%, 50.3%, 0%, 36.9%)
CIE-LAB	lab(35.14, 14.06, -48.63)
CIE-LCH	lch(35.14, 50.62, 286.12°)
OKLab	oklab(44.54% -0.0258 -0.1399)
OKLCH	oklch(44.54% 0.142 259.6)
XYZ	xyz(9.8060, 8.5706, 34.8488)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D50A1 #A16E1D

analogous

#1D92A1 #1D50A1 #2C1DA1

triadic

#1D50A1 #A11D50 #50A11D

tetradic

#1D50A1 #A11D92 #A16E1D #1DA12C

square

#1D50A1 #A11D92 #A16E1D #1DA12C

split-complementary

#1D50A1 #A12C1D #92A11D

monochromatic

#0A1C39 #14366D #1D50A1 #266AD5 #588DE1

Accessibility & contrast

On white

7.74

#1D50A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1D50A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D50A1

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D50A1	#FFFFFF	#000000	##FFFFFF
##1D50A1	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E59A4

Deuteranopia (green-blind)

#004D9F

Tritanopia (blue-blind)

#006471

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d50a1;
/* rgb */ color: rgb(29, 80, 161);
/* oklch */ color: oklch(44.5% 0.142 259.6);

Tailwind

colors: {
  custom: {
    50: '#7080bd',
    500: '#1d50a1',
    950: '#000000',
  },
}

SCSS

$custom: #1d50a1;
$custom-light: #7080bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d50a1",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 161
  },
  "hsl": {
    "h": 216.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.44541,
    "c": 0.14229,
    "h": 259.6
  },
  "luminance": 0.08572
}

Semantic roles & 50–950 ramp

primary

#1D50A1

secondary

#C49A55

accent

#A83CEC

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D50A1

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

Preview Lab → · Contrast checker → · Palette generator →