#1D3B60#1D3B60

#1D3B60 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.9% C 0.074 H 254.8°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D3B60
RGB	rgb(29, 59, 96)
HSL	hsl(213, 54%, 25%)
HSV	hsv(213, 70%, 38%)
CMYK	cmyk(69.8%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.43, 2.25, -25.27)
CIE-LCH	lch(24.43, 25.37, 275.08°)
OKLab	oklab(34.89% -0.0195 -0.0717)
OKLCH	oklch(34.89% 0.074 254.8)
XYZ	xyz(4.1812, 4.2333, 11.6608)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3B60 #60421D

analogous

#1D5D60 #1D3B60 #201D60

triadic

#1D3B60 #601D3B #3B601D

tetradic

#1D3B60 #601D5D #60421D #1D6020

square

#1D3B60 #601D5D #60421D #1D6020

split-complementary

#1D3B60 #60201D #5D601D

monochromatic

#070E18 #0F1E31 #1D3B60 #2B588F #3975BE

Accessibility & contrast

On white

11.37

#1D3B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1D3B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3B60

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3B60	#FFFFFF	#000000	##FFFFFF
##1D3B60	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3D62

Deuteranopia (green-blind)

#21375F

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d3b60;
/* rgb */ color: rgb(29, 59, 96);
/* oklch */ color: oklch(34.9% 0.074 254.8);

Tailwind

colors: {
  custom: {
    50: '#61708d',
    500: '#1d3b60',
    950: '#000000',
  },
}

SCSS

$custom: #1d3b60;
$custom-light: #61708d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3b60",
  "rgb": {
    "r": 29,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 213.134,
    "s": 53.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34888,
    "c": 0.07434,
    "h": 254.8
  },
  "luminance": 0.04234
}

Semantic roles & 50–950 ramp

primary

#1D3B60

secondary

#957144

accent

#9C4BDD

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05070C

muted

#7A7A7D

Preview Lab

Preview with #1D3B60

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

Preview Lab → · Contrast checker → · Palette generator →