#1D2F7F#1D2F7F

#1D2F7F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.137 H 268.4°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F7F
RGB	rgb(29, 47, 127)
HSL	hsl(229, 63%, 31%)
HSV	hsv(229, 77%, 50%)
CMYK	cmyk(77.2%, 63%, 0%, 50.2%)
CIE-LAB	lab(23.09, 23.17, -47.29)
CIE-LCH	lch(23.09, 52.67, 296.10°)
OKLab	oklab(34.59% -0.0038 -0.1366)
OKLCH	oklch(34.59% 0.137 268.4)
XYZ	xyz(5.3527, 3.8260, 20.5309)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F7F #7F6D1D

analogous

#1D607F #1D2F7F #3C1D7F

triadic

#1D2F7F #7F1D2F #2F7F1D

tetradic

#1D2F7F #7F1D60 #7F6D1D #1D7F3C

square

#1D2F7F #7F1D60 #7F6D1D #1D7F3C

split-complementary

#1D2F7F #7F3C1D #607F1D

monochromatic

#060A1B #121D4D #1D2F7F #2841B1 #425DD4

Accessibility & contrast

On white

11.90

#1D2F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D2F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F7F

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F7F	#FFFFFF	#000000	##FFFFFF
##1D2F7F	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#00337D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2f7f;
/* rgb */ color: rgb(29, 47, 127);
/* oklch */ color: oklch(34.6% 0.137 268.4);

Tailwind

colors: {
  custom: {
    50: '#6967a5',
    500: '#1d2f7f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f7f;
$custom-light: #6967a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f7f",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 127
  },
  "hsl": {
    "h": 228.98,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3459,
    "c": 0.13667,
    "h": 268.4
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#1D2F7F

secondary

#B29E45

accent

#C842E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D2F7F

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

Preview Lab → · Contrast checker → · Palette generator →