#1D407F#1D407F

#1D407F is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.3% C 0.114 H 261.1°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#1D407F
RGB	rgb(29, 64, 127)
HSL	hsl(219, 63%, 31%)
HSV	hsv(219, 77%, 50%)
CMYK	cmyk(77.2%, 49.6%, 0%, 50.2%)
CIE-LAB	lab(28.01, 11.26, -39.32)
CIE-LCH	lch(28.01, 40.90, 285.98°)
OKLab	oklab(38.3% -0.0178 -0.1129)
OKLCH	oklch(38.3% 0.114 261.1)
XYZ	xyz(6.1695, 5.4596, 20.8032)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D407F #7F5C1D

analogous

#1D717F #1D407F #2B1D7F

triadic

#1D407F #7F1D40 #407F1D

tetradic

#1D407F #7F1D71 #7F5C1D #1D7F2B

square

#1D407F #7F1D71 #7F5C1D #1D7F2B

split-complementary

#1D407F #7F2B1D #717F1D

monochromatic

#060E1B #12274D #1D407F #2859B1 #4276D4

Accessibility & contrast

On white

10.04

#1D407F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1D407F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D407F

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D407F	#FFFFFF	#000000	##FFFFFF
##1D407F	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4781

Deuteranopia (green-blind)

#013E7E

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d407f;
/* rgb */ color: rgb(29, 64, 127);
/* oklch */ color: oklch(38.3% 0.114 261.1);

Tailwind

colors: {
  custom: {
    50: '#6874a4',
    500: '#1d407f',
    950: '#000000',
  },
}

SCSS

$custom: #1d407f;
$custom-light: #6874a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d407f",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 127
  },
  "hsl": {
    "h": 218.571,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.38304,
    "c": 0.11427,
    "h": 261.1
  },
  "luminance": 0.0546
}

Semantic roles & 50–950 ramp

primary

#1D407F

secondary

#B28B45

accent

#AB42E6

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D407F

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

Preview Lab → · Contrast checker → · Palette generator →