#1D489E#1D489E

#1D489E is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.148 H 262.2°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D489E
RGB	rgb(29, 72, 158)
HSL	hsl(220, 69%, 37%)
HSV	hsv(220, 82%, 62%)
CMYK	cmyk(81.6%, 54.4%, 0%, 38%)
CIE-LAB	lab(32.62, 18.27, -50.90)
CIE-LCH	lch(32.62, 54.08, 289.74°)
OKLab	oklab(42.55% -0.0202 -0.1468)
OKLCH	oklch(42.55% 0.148 262.2)
XYZ	xyz(8.9934, 7.3635, 33.2884)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D489E #9E731D

analogous

#1D899E #1D489E #331D9E

triadic

#1D489E #9E1D48 #489E1D

tetradic

#1D489E #9E1D89 #9E731D #1D9E33

square

#1D489E #9E1D89 #9E731D #1D9E33

split-complementary

#1D489E #9E331D #899E1D

monochromatic

#0A1937 #14306A #1D489E #2660D2 #5684E0

Accessibility & contrast

On white

8.49

#1D489E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1D489E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D489E

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D489E	#FFFFFF	#000000	##FFFFFF
##1D489E	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d489e;
/* rgb */ color: rgb(29, 72, 158);
/* oklch */ color: oklch(42.5% 0.148 262.2);

Tailwind

colors: {
  custom: {
    50: '#6f7abb',
    500: '#1d489e',
    950: '#000000',
  },
}

SCSS

$custom: #1d489e;
$custom-light: #6f7abb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d489e",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 158
  },
  "hsl": {
    "h": 220,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42546,
    "c": 0.14819,
    "h": 262.2
  },
  "luminance": 0.07365
}

Semantic roles & 50–950 ramp

primary

#1D489E

secondary

#C39E54

accent

#B13CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D489E

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

Preview Lab → · Contrast checker → · Palette generator →