#1D396F#1D396F

#1D396F is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.100 H 262.0°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D396F
RGB	rgb(29, 57, 111)
HSL	hsl(220, 59%, 27%)
HSV	hsv(220, 74%, 44%)
CMYK	cmyk(73.9%, 48.6%, 0%, 56.5%)
CIE-LAB	lab(24.75, 9.66, -34.44)
CIE-LCH	lch(24.75, 35.77, 285.67°)
OKLab	oklab(35.45% -0.0138 -0.0986)
OKLCH	oklch(35.45% 0.1 262)
XYZ	xyz(4.8380, 4.3347, 15.6175)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D396F #6F531D

analogous

#1D626F #1D396F #2A1D6F

triadic

#1D396F #6F1D39 #396F1D

tetradic

#1D396F #6F1D62 #6F531D #1D6F2A

square

#1D396F #6F1D62 #6F531D #1D6F2A

split-complementary

#1D396F #6F2A1D #626F1D

monochromatic

#060C18 #10203E #1D396F #2A52A0 #3B6CCC

Accessibility & contrast

On white

11.25

#1D396F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1D396F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D396F

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D396F	#FFFFFF	#000000	##FFFFFF
##1D396F	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3F71

Deuteranopia (green-blind)

#0B376E

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d396f;
/* rgb */ color: rgb(29, 57, 111);
/* oklch */ color: oklch(35.4% 0.100 262.0);

Tailwind

colors: {
  custom: {
    50: '#646e99',
    500: '#1d396f',
    950: '#000000',
  },
}

SCSS

$custom: #1d396f;
$custom-light: #646e99;
$custom-dark: #000000;

JSON

{
  "hex": "#1d396f",
  "rgb": {
    "r": 29,
    "g": 57,
    "b": 111
  },
  "hsl": {
    "h": 219.512,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35446,
    "c": 0.09962,
    "h": 262
  },
  "luminance": 0.04335
}

Semantic roles & 50–950 ramp

primary

#1D396F

secondary

#A38344

accent

#AD46E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1D396F

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

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