#1D3D98#1D3D98

#1D3D98 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.154 H 265.1°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D3D98
RGB	rgb(29, 61, 152)
HSL	hsl(224, 68%, 35%)
HSV	hsv(224, 81%, 60%)
CMYK	cmyk(80.9%, 59.9%, 0%, 40.4%)
CIE-LAB	lab(29.07, 23.40, -53.04)
CIE-LCH	lch(29.07, 57.97, 293.80°)
OKLab	oklab(39.72% -0.013 -0.1533)
OKLCH	oklch(39.72% 0.154 265.1)
XYZ	xyz(7.8409, 5.8648, 30.4184)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3D98 #98781D

analogous

#1D7A98 #1D3D98 #3A1D98

triadic

#1D3D98 #981D3D #3D981D

tetradic

#1D3D98 #981D7A #98781D #1D983A

square

#1D3D98 #981D7A #98781D #1D983A

split-complementary

#1D3D98 #983A1D #7A981D

monochromatic

#091431 #132865 #1D3D98 #2752CB #5276DE

Accessibility & contrast

On white

9.66

#1D3D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1D3D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3D98

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3D98	#FFFFFF	#000000	##FFFFFF
##1D3D98	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9B

Deuteranopia (green-blind)

#003F96

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d3d98;
/* rgb */ color: rgb(29, 61, 152);
/* oklch */ color: oklch(39.7% 0.154 265.1);

Tailwind

colors: {
  custom: {
    50: '#6f72b7',
    500: '#1d3d98',
    950: '#000000',
  },
}

SCSS

$custom: #1d3d98;
$custom-light: #6f72b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3d98",
  "rgb": {
    "r": 29,
    "g": 61,
    "b": 152
  },
  "hsl": {
    "h": 224.39,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39718,
    "c": 0.15383,
    "h": 265.1
  },
  "luminance": 0.05866
}

Semantic roles & 50–950 ramp

primary

#1D3D98

secondary

#C1A350

accent

#BE3DEB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3D98

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

Preview Lab → · Contrast checker → · Palette generator →