#1D405E#1D405E

#1D405E is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.066 H 246.8°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#1D405E
RGB	rgb(29, 64, 94)
HSL	hsl(208, 53%, 24%)
HSV	hsv(208, 69%, 37%)
CMYK	cmyk(69.1%, 31.9%, 0%, 63.1%)
CIE-LAB	lab(25.97, -1.92, -21.55)
CIE-LCH	lch(25.97, 21.64, 264.92°)
OKLab	oklab(36.06% -0.0261 -0.0608)
OKLCH	oklch(36.06% 0.066 246.8)
XYZ	xyz(4.3597, 4.7357, 11.2718)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D405E #5E3B1D

analogous

#1D5E5C #1D405E #1D205E

triadic

#1D405E #5E1D40 #405E1D

tetradic

#1D405E #5C1D5E #5E3B1D #205E1D

square

#1D405E #5C1D5E #5E3B1D #205E1D

split-complementary

#1D405E #5E1D20 #5E5C1D

monochromatic

#071017 #0F202F #1D405E #2B608D #3A80BC

Accessibility & contrast

On white

10.78

#1D405E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1D405E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D405E

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D405E	#FFFFFF	#000000	##FFFFFF
##1D405E	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33415F

Deuteranopia (green-blind)

#2A3B5D

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d405e;
/* rgb */ color: rgb(29, 64, 94);
/* oklch */ color: oklch(36.1% 0.066 246.8);

Tailwind

colors: {
  custom: {
    50: '#61748c',
    500: '#1d405e',
    950: '#000000',
  },
}

SCSS

$custom: #1d405e;
$custom-light: #61748c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d405e",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 94
  },
  "hsl": {
    "h": 207.692,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3606,
    "c": 0.06617,
    "h": 246.8
  },
  "luminance": 0.04736
}

Semantic roles & 50–950 ramp

primary

#1D405E

secondary

#936844

accent

#8E4CDC

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1D405E

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

Preview Lab → · Contrast checker → · Palette generator →