#1D448E#1D448E

#1D448E is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.131 H 261.6°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D448E
RGB	rgb(29, 68, 142)
HSL	hsl(219, 66%, 34%)
HSV	hsv(219, 80%, 56%)
CMYK	cmyk(79.6%, 52.1%, 0%, 44.3%)
CIE-LAB	lab(30.27, 14.57, -44.96)
CIE-LCH	lch(30.27, 47.26, 287.96°)
OKLab	oklab(40.38% -0.019 -0.1294)
OKLCH	oklch(40.38% 0.131 261.6)
XYZ	xyz(7.4545, 6.3476, 26.4183)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D448E #8E671D

analogous

#1D7C8E #1D448E #2E1D8E

triadic

#1D448E #8E1D44 #448E1D

tetradic

#1D448E #8E1D7C #8E671D #1D8E2E

square

#1D448E #8E1D7C #8E671D #1D8E2E

split-complementary

#1D448E #8E2E1D #7C8E1D

monochromatic

#081328 #132C5B #1D448E #275CC1 #4B7DDA

Accessibility & contrast

On white

9.25

#1D448E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1D448E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D448E

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D448E	#FFFFFF	#000000	##FFFFFF
##1D448E	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154D91

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d448e;
/* rgb */ color: rgb(29, 68, 142);
/* oklch */ color: oklch(40.4% 0.131 261.6);

Tailwind

colors: {
  custom: {
    50: '#6b77b0',
    500: '#1d448e',
    950: '#000000',
  },
}

SCSS

$custom: #1d448e;
$custom-light: #6b77b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d448e",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 142
  },
  "hsl": {
    "h": 219.292,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40382,
    "c": 0.13079,
    "h": 261.6
  },
  "luminance": 0.06348
}

Semantic roles & 50–950 ramp

primary

#1D448E

secondary

#BD954A

accent

#AE3FE9

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D448E

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

Preview Lab → · Contrast checker → · Palette generator →