#1D2F7A#1D2F7A

#1D2F7A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.129 H 268.3°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F7A
RGB	rgb(29, 47, 122)
HSL	hsl(228, 62%, 30%)
HSV	hsv(228, 76%, 48%)
CMYK	cmyk(76.2%, 61.5%, 0%, 52.2%)
CIE-LAB	lab(22.65, 21.19, -44.84)
CIE-LCH	lch(22.65, 49.60, 295.29°)
OKLab	oklab(34.13% -0.0038 -0.1294)
OKLCH	oklch(34.13% 0.129 268.3)
XYZ	xyz(5.0348, 3.6988, 18.8572)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F7A #7A681D

analogous

#1D5E7A #1D2F7A #3A1D7A

triadic

#1D2F7A #7A1D2F #2F7A1D

tetradic

#1D2F7A #7A1D5E #7A681D #1D7A3A

square

#1D2F7A #7A1D5E #7A681D #1D7A3A

split-complementary

#1D2F7A #7A3A1D #5E7A1D

monochromatic

#060A19 #111C49 #1D2F7A #2942AB #405CD2

Accessibility & contrast

On white

12.07

#1D2F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D2F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F7A

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F7A	#FFFFFF	#000000	##FFFFFF
##1D2F7A	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7D

Deuteranopia (green-blind)

#003279

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2f7a;
/* rgb */ color: rgb(29, 47, 122);
/* oklch */ color: oklch(34.1% 0.129 268.3);

Tailwind

colors: {
  custom: {
    50: '#6867a1',
    500: '#1d2f7a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f7a;
$custom-light: #6867a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f7a",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 122
  },
  "hsl": {
    "h": 228.387,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34128,
    "c": 0.12949,
    "h": 268.3
  },
  "luminance": 0.03699
}

Semantic roles & 50–950 ramp

primary

#1D2F7A

secondary

#AE9945

accent

#C543E5

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D2F7A

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

Preview Lab → · Contrast checker → · Palette generator →