#1D2F7B#1D2F7B

#1D2F7B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.131 H 268.3°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F7B
RGB	rgb(29, 47, 123)
HSL	hsl(229, 62%, 30%)
HSV	hsv(229, 76%, 48%)
CMYK	cmyk(76.4%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(22.74, 21.58, -45.34)
CIE-LCH	lch(22.74, 50.21, 295.46°)
OKLab	oklab(34.22% -0.0038 -0.1309)
OKLCH	oklch(34.22% 0.131 268.3)
XYZ	xyz(5.0971, 3.7238, 19.1852)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F7B #7B691D

analogous

#1D5E7B #1D2F7B #3A1D7B

triadic

#1D2F7B #7B1D2F #2F7B1D

tetradic

#1D2F7B #7B1D5E #7B691D #1D7B3A

square

#1D2F7B #7B1D5E #7B691D #1D7B3A

split-complementary

#1D2F7B #7B3A1D #5E7B1D

monochromatic

#060919 #111C49 #1D2F7B #2942AD #405CD2

Accessibility & contrast

On white

12.04

#1D2F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D2F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F7B

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F7B	#FFFFFF	#000000	##FFFFFF
##1D2F7B	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#00327A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2f7b;
/* rgb */ color: rgb(29, 47, 123);
/* oklch */ color: oklch(34.2% 0.131 268.3);

Tailwind

colors: {
  custom: {
    50: '#6867a2',
    500: '#1d2f7b',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f7b;
$custom-light: #6867a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f7b",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 228.511,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34219,
    "c": 0.13094,
    "h": 268.3
  },
  "luminance": 0.03724
}

Semantic roles & 50–950 ramp

primary

#1D2F7B

secondary

#AF9A45

accent

#C643E5

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D2F7B

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

Preview Lab → · Contrast checker → · Palette generator →