#1D49A1#1D49A1

#1D49A1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.151 H 262.2°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D49A1
RGB	rgb(29, 73, 161)
HSL	hsl(220, 69%, 37%)
HSV	hsv(220, 82%, 63%)
CMYK	cmyk(82%, 54.7%, 0%, 36.9%)
CIE-LAB	lab(33.13, 18.79, -51.88)
CIE-LCH	lch(33.13, 55.18, 289.91°)
OKLab	oklab(43.01% -0.0206 -0.1497)
OKLCH	oklch(43.01% 0.151 262.2)
XYZ	xyz(9.3199, 7.5984, 34.6867)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D49A1 #A1751D

analogous

#1D8BA1 #1D49A1 #331DA1

triadic

#1D49A1 #A11D49 #49A11D

tetradic

#1D49A1 #A11D8B #A1751D #1DA133

square

#1D49A1 #A11D8B #A1751D #1DA133

split-complementary

#1D49A1 #A1331D #8BA11D

monochromatic

#0A1A39 #14316D #1D49A1 #2661D5 #5885E1

Accessibility & contrast

On white

8.33

#1D49A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1D49A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D49A1

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D49A1	#FFFFFF	#000000	##FFFFFF
##1D49A1	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#00489F

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d49a1;
/* rgb */ color: rgb(29, 73, 161);
/* oklch */ color: oklch(43.0% 0.151 262.2);

Tailwind

colors: {
  custom: {
    50: '#707bbd',
    500: '#1d49a1',
    950: '#000000',
  },
}

SCSS

$custom: #1d49a1;
$custom-light: #707bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d49a1",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 161
  },
  "hsl": {
    "h": 220,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43006,
    "c": 0.15108,
    "h": 262.2
  },
  "luminance": 0.076
}

Semantic roles & 50–950 ramp

primary

#1D49A1

secondary

#C49F55

accent

#B13CEC

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D49A1

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

Preview Lab → · Contrast checker → · Palette generator →