#1D2D7F#1D2D7F

#1D2D7F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.139 H 269.0°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D7F
RGB	rgb(29, 45, 127)
HSL	hsl(230, 63%, 31%)
HSV	hsv(230, 77%, 50%)
CMYK	cmyk(77.2%, 64.6%, 0%, 50.2%)
CIE-LAB	lab(22.55, 24.56, -48.18)
CIE-LCH	lch(22.55, 54.08, 297.01°)
OKLab	oklab(34.19% -0.0024 -0.1392)
OKLCH	oklch(34.19% 0.139 269)
XYZ	xyz(5.2745, 3.6697, 20.5049)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D7F #7F6F1D

analogous

#1D5E7F #1D2D7F #3E1D7F

triadic

#1D2D7F #7F1D2D #2D7F1D

tetradic

#1D2D7F #7F1D5E #7F6F1D #1D7F3E

square

#1D2D7F #7F1D5E #7F6F1D #1D7F3E

split-complementary

#1D2D7F #7F3E1D #5E7F1D

monochromatic

#060A1B #121B4D #1D2D7F #283FB1 #425AD4

Accessibility & contrast

On white

12.11

#1D2D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D2D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D7F

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D7F	#FFFFFF	#000000	##FFFFFF
##1D2D7F	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B82

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2d7f;
/* rgb */ color: rgb(29, 45, 127);
/* oklch */ color: oklch(34.2% 0.139 269.0);

Tailwind

colors: {
  custom: {
    50: '#6965a5',
    500: '#1d2d7f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d7f;
$custom-light: #6965a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d7f",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 127
  },
  "hsl": {
    "h": 230.204,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3419,
    "c": 0.13925,
    "h": 269
  },
  "luminance": 0.0367
}

Semantic roles & 50–950 ramp

primary

#1D2D7F

secondary

#B2A145

accent

#CB42E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1D2D7F

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

Preview Lab → · Contrast checker → · Palette generator →