#1D488E#1D488E

#1D488E is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.3% C 0.126 H 259.8°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D488E
RGB	rgb(29, 72, 142)
HSL	hsl(217, 66%, 34%)
HSV	hsv(217, 80%, 56%)
CMYK	cmyk(79.6%, 49.3%, 0%, 44.3%)
CIE-LAB	lab(31.46, 11.83, -43.05)
CIE-LCH	lch(31.46, 44.64, 285.37°)
OKLab	oklab(41.29% -0.0223 -0.1237)
OKLCH	oklch(41.29% 0.126 259.8)
XYZ	xyz(7.7048, 6.8480, 26.5017)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D488E #8E631D

analogous

#1D808E #1D488E #2A1D8E

triadic

#1D488E #8E1D48 #488E1D

tetradic

#1D488E #8E1D80 #8E631D #1D8E2A

square

#1D488E #8E1D80 #8E631D #1D8E2A

split-complementary

#1D488E #8E2A1D #808E1D

monochromatic

#081428 #132E5B #1D488E #2762C1 #4B82DA

Accessibility & contrast

On white

8.86

#1D488E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1D488E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D488E

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D488E	#FFFFFF	#000000	##FFFFFF
##1D488E	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204F91

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d488e;
/* rgb */ color: rgb(29, 72, 142);
/* oklch */ color: oklch(41.3% 0.126 259.8);

Tailwind

colors: {
  custom: {
    50: '#6b7aaf',
    500: '#1d488e',
    950: '#000000',
  },
}

SCSS

$custom: #1d488e;
$custom-light: #6b7aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d488e",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 142
  },
  "hsl": {
    "h": 217.168,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41289,
    "c": 0.12568,
    "h": 259.8
  },
  "luminance": 0.06849
}

Semantic roles & 50–950 ramp

primary

#1D488E

secondary

#BD914A

accent

#A83FE9

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D488E

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

Preview Lab → · Contrast checker → · Palette generator →