#1D3E95#1D3E95

#1D3E95 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.148 H 264.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D3E95
RGB	rgb(29, 62, 149)
HSL	hsl(224, 67%, 35%)
HSV	hsv(224, 81%, 58%)
CMYK	cmyk(80.5%, 58.4%, 0%, 41.6%)
CIE-LAB	lab(29.10, 21.52, -51.16)
CIE-LCH	lch(29.10, 55.50, 292.81°)
OKLab	oklab(39.66% -0.0138 -0.1477)
OKLCH	oklch(39.66% 0.148 264.7)
XYZ	xyz(7.6522, 5.8755, 29.1587)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3E95 #95741D

analogous

#1D7A95 #1D3E95 #381D95

triadic

#1D3E95 #951D3E #3E951D

tetradic

#1D3E95 #951D7A #95741D #1D9538

square

#1D3E95 #951D7A #95741D #1D9538

split-complementary

#1D3E95 #95381D #7A951D

monochromatic

#09132F #132962 #1D3E95 #2753C8 #5076DD

Accessibility & contrast

On white

9.65

#1D3E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1D3E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3E95

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3E95	#FFFFFF	#000000	##FFFFFF
##1D3E95	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A98

Deuteranopia (green-blind)

#003F93

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d3e95;
/* rgb */ color: rgb(29, 62, 149);
/* oklch */ color: oklch(39.7% 0.148 264.7);

Tailwind

colors: {
  custom: {
    50: '#6e72b5',
    500: '#1d3e95',
    950: '#000000',
  },
}

SCSS

$custom: #1d3e95;
$custom-light: #6e72b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3e95",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 149
  },
  "hsl": {
    "h": 223.5,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39661,
    "c": 0.1484,
    "h": 264.7
  },
  "luminance": 0.05876
}

Semantic roles & 50–950 ramp

primary

#1D3E95

secondary

#C0A04E

accent

#BB3DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D3E95

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

Preview Lab → · Contrast checker → · Palette generator →