#1D439F#1D439F

#1D439F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.156 H 263.9°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#1D439F
RGB	rgb(29, 67, 159)
HSL	hsl(222, 69%, 37%)
HSV	hsv(222, 82%, 62%)
CMYK	cmyk(81.8%, 57.9%, 0%, 37.6%)
CIE-LAB	lab(31.30, 22.08, -53.66)
CIE-LCH	lch(31.30, 58.03, 292.36°)
OKLab	oklab(41.57% -0.0167 -0.155)
OKLCH	oklch(41.57% 0.156 263.9)
XYZ	xyz(8.7696, 6.7777, 33.6402)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D439F #9F791D

analogous

#1D849F #1D439F #381D9F

triadic

#1D439F #9F1D43 #439F1D

tetradic

#1D439F #9F1D84 #9F791D #1D9F38

square

#1D439F #9F1D84 #9F791D #1D9F38

split-complementary

#1D439F #9F381D #849F1D

monochromatic

#0A1737 #142D6B #1D439F #2659D3 #567FE0

Accessibility & contrast

On white

8.91

#1D439F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D439F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D439F

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D439F	#FFFFFF	#000000	##FFFFFF
##1D439F	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00449D

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d439f;
/* rgb */ color: rgb(29, 67, 159);
/* oklch */ color: oklch(41.6% 0.156 263.9);

Tailwind

colors: {
  custom: {
    50: '#7076bc',
    500: '#1d439f',
    950: '#000000',
  },
}

SCSS

$custom: #1d439f;
$custom-light: #7076bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d439f",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 159
  },
  "hsl": {
    "h": 222.462,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41569,
    "c": 0.1559,
    "h": 263.9
  },
  "luminance": 0.06779
}

Semantic roles & 50–950 ramp

primary

#1D439F

secondary

#C4A354

accent

#B83CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D439F

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

Preview Lab → · Contrast checker → · Palette generator →