#1D405F#1D405F

#1D405F is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.1% C 0.068 H 247.6°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D405F
RGB	rgb(29, 64, 95)
HSL	hsl(208, 53%, 24%)
HSV	hsv(208, 69%, 37%)
CMYK	cmyk(69.5%, 32.6%, 0%, 62.7%)
CIE-LAB	lab(26.02, -1.53, -22.11)
CIE-LCH	lch(26.02, 22.17, 266.05°)
OKLab	oklab(36.12% -0.0257 -0.0625)
OKLCH	oklch(36.12% 0.068 247.6)
XYZ	xyz(4.4049, 4.7538, 11.5097)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D405F #5F3C1D

analogous

#1D5F5D #1D405F #1D1F5F

triadic

#1D405F #5F1D40 #405F1D

tetradic

#1D405F #5D1D5F #5F3C1D #1F5F1D

square

#1D405F #5D1D5F #5F3C1D #1F5F1D

split-complementary

#1D405F #5F1D1F #5F5D1D

monochromatic

#071017 #0F2030 #1D405F #2B608E #3A7FBD

Accessibility & contrast

On white

10.76

#1D405F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1D405F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D405F

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D405F	#FFFFFF	#000000	##FFFFFF
##1D405F	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324160

Deuteranopia (green-blind)

#293B5E

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d405f;
/* rgb */ color: rgb(29, 64, 95);
/* oklch */ color: oklch(36.1% 0.068 247.6);

Tailwind

colors: {
  custom: {
    50: '#61748c',
    500: '#1d405f',
    950: '#000000',
  },
}

SCSS

$custom: #1d405f;
$custom-light: #61748c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d405f",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 95
  },
  "hsl": {
    "h": 208.182,
    "s": 53.226,
    "l": 24.314
  },
  "oklch": {
    "l": 0.36119,
    "c": 0.06755,
    "h": 247.6
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#1D405F

secondary

#946944

accent

#8F4BDD

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1D405F

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

Preview Lab → · Contrast checker → · Palette generator →