#1D397A#1D397A

#1D397A is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.116 H 264.0°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#1D397A
RGB	rgb(29, 57, 122)
HSL	hsl(222, 62%, 30%)
HSV	hsv(222, 76%, 48%)
CMYK	cmyk(76.2%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(25.54, 14.13, -40.15)
CIE-LCH	lch(25.54, 42.57, 289.38°)
OKLab	oklab(36.3% -0.0122 -0.1155)
OKLCH	oklch(36.3% 0.116 264)
XYZ	xyz(5.4814, 4.5920, 19.0060)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D397A #7A5E1D

analogous

#1D687A #1D397A #2F1D7A

triadic

#1D397A #7A1D39 #397A1D

tetradic

#1D397A #7A1D68 #7A5E1D #1D7A2F

square

#1D397A #7A1D68 #7A5E1D #1D7A2F

split-complementary

#1D397A #7A2F1D #687A1D

monochromatic

#060C19 #112249 #1D397A #2950AB #406CD2

Accessibility & contrast

On white

10.95

#1D397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1D397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D397A

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D397A	#FFFFFF	#000000	##FFFFFF
##1D397A	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10417C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d397a;
/* rgb */ color: rgb(29, 57, 122);
/* oklch */ color: oklch(36.3% 0.116 264.0);

Tailwind

colors: {
  custom: {
    50: '#676ea1',
    500: '#1d397a',
    950: '#000000',
  },
}

SCSS

$custom: #1d397a;
$custom-light: #676ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d397a",
  "rgb": {
    "r": 29,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 221.935,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36304,
    "c": 0.11611,
    "h": 264
  },
  "luminance": 0.04593
}

Semantic roles & 50–950 ramp

primary

#1D397A

secondary

#AE8E45

accent

#B443E5

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1D397A

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

Preview Lab → · Contrast checker → · Palette generator →