#1D356F#1D356F

#1D356F is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.105 H 264.6°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#1D356F
RGB	rgb(29, 53, 111)
HSL	hsl(222, 59%, 27%)
HSV	hsv(222, 74%, 44%)
CMYK	cmyk(73.9%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(23.52, 12.50, -36.41)
CIE-LCH	lch(23.52, 38.50, 288.94°)
OKLab	oklab(34.51% -0.0099 -0.1045)
OKLCH	oklch(34.51% 0.105 264.6)
XYZ	xyz(4.6480, 3.9546, 15.5542)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D356F #6F571D

analogous

#1D5E6F #1D356F #2E1D6F

triadic

#1D356F #6F1D35 #356F1D

tetradic

#1D356F #6F1D5E #6F571D #1D6F2E

square

#1D356F #6F1D5E #6F571D #1D6F2E

split-complementary

#1D356F #6F2E1D #5E6F1D

monochromatic

#060C18 #101E3E #1D356F #2A4CA0 #3B65CC

Accessibility & contrast

On white

11.73

#1D356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1D356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D356F

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D356F	#FFFFFF	#000000	##FFFFFF
##1D356F	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143C71

Deuteranopia (green-blind)

#00346E

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d356f;
/* rgb */ color: rgb(29, 53, 111);
/* oklch */ color: oklch(34.5% 0.105 264.6);

Tailwind

colors: {
  custom: {
    50: '#656b99',
    500: '#1d356f',
    950: '#000000',
  },
}

SCSS

$custom: #1d356f;
$custom-light: #656b99;
$custom-dark: #000000;

JSON

{
  "hex": "#1d356f",
  "rgb": {
    "r": 29,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 222.439,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34507,
    "c": 0.105,
    "h": 264.6
  },
  "luminance": 0.03955
}

Semantic roles & 50–950 ramp

primary

#1D356F

secondary

#A38844

accent

#B446E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D356F

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

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