#1D447B#1D447B

#1D447B is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.0% C 0.103 H 257.5°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D447B
RGB	rgb(29, 68, 123)
HSL	hsl(215, 62%, 30%)
HSV	hsv(215, 76%, 48%)
CMYK	cmyk(76.4%, 44.7%, 0%, 51.8%)
CIE-LAB	lab(28.97, 6.89, -35.27)
CIE-LCH	lch(28.97, 35.94, 281.05°)
OKLab	oklab(38.96% -0.0223 -0.1009)
OKLCH	oklch(38.96% 0.103 257.5)
XYZ	xyz(6.1477, 5.8248, 19.5354)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D447B #7B541D

analogous

#1D737B #1D447B #251D7B

triadic

#1D447B #7B1D44 #447B1D

tetradic

#1D447B #7B1D73 #7B541D #1D7B25

square

#1D447B #7B1D73 #7B541D #1D7B25

split-complementary

#1D447B #7B251D #737B1D

monochromatic

#060E19 #112949 #1D447B #295FAD #407DD2

Accessibility & contrast

On white

9.70

#1D447B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1D447B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D447B

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D447B	#FFFFFF	#000000	##FFFFFF
##1D447B	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29497D

Deuteranopia (green-blind)

#18407A

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d447b;
/* rgb */ color: rgb(29, 68, 123);
/* oklch */ color: oklch(39.0% 0.103 257.5);

Tailwind

colors: {
  custom: {
    50: '#6777a1',
    500: '#1d447b',
    950: '#000000',
  },
}

SCSS

$custom: #1d447b;
$custom-light: #6777a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d447b",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 215.106,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.38958,
    "c": 0.10334,
    "h": 257.5
  },
  "luminance": 0.05826
}

Semantic roles & 50–950 ramp

primary

#1D447B

secondary

#AF8345

accent

#A243E5

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D447B

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

Preview Lab → · Contrast checker → · Palette generator →