#1D489C#1D489C

#1D489C is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.145 H 261.9°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D489C
RGB	rgb(29, 72, 156)
HSL	hsl(220, 69%, 36%)
HSV	hsv(220, 81%, 61%)
CMYK	cmyk(81.4%, 53.8%, 0%, 38.8%)
CIE-LAB	lab(32.47, 17.47, -49.94)
CIE-LCH	lch(32.47, 52.91, 289.28°)
OKLab	oklab(42.38% -0.0204 -0.144)
OKLCH	oklch(42.38% 0.145 261.9)
XYZ	xyz(8.8226, 7.2952, 32.3892)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D489C #9C711D

analogous

#1D889C #1D489C #321D9C

triadic

#1D489C #9C1D48 #489C1D

tetradic

#1D489C #9C1D88 #9C711D #1D9C32

square

#1D489C #9C1D88 #9C711D #1D9C32

split-complementary

#1D489C #9C321D #889C1D

monochromatic

#0A1835 #133068 #1D489C #2760D0 #5483DF

Accessibility & contrast

On white

8.54

#1D489C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1D489C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D489C

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D489C	#FFFFFF	#000000	##FFFFFF
##1D489C	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07529F

Deuteranopia (green-blind)

#00479A

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d489c;
/* rgb */ color: rgb(29, 72, 156);
/* oklch */ color: oklch(42.4% 0.145 261.9);

Tailwind

colors: {
  custom: {
    50: '#6f7aba',
    500: '#1d489c',
    950: '#000000',
  },
}

SCSS

$custom: #1d489c;
$custom-light: #6f7aba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d489c",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 156
  },
  "hsl": {
    "h": 219.685,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42384,
    "c": 0.14541,
    "h": 261.9
  },
  "luminance": 0.07296
}

Semantic roles & 50–950 ramp

primary

#1D489C

secondary

#C29C52

accent

#B03CEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D489C

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

Preview Lab → · Contrast checker → · Palette generator →