#1D449B#1D449B

#1D449B is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.4% C 0.149 H 263.2°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D449B
RGB	rgb(29, 68, 155)
HSL	hsl(221, 68%, 36%)
HSV	hsv(221, 81%, 61%)
CMYK	cmyk(81.3%, 56.1%, 0%, 39.2%)
CIE-LAB	lab(31.26, 19.80, -51.30)
CIE-LCH	lch(31.26, 54.99, 291.10°)
OKLab	oklab(41.44% -0.0176 -0.1481)
OKLCH	oklch(41.44% 0.149 263.2)
XYZ	xyz(8.4881, 6.7610, 31.8616)
Luminance	0.0676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D449B #9B741D

analogous

#1D839B #1D449B #351D9B

triadic

#1D449B #9B1D44 #449B1D

tetradic

#1D449B #9B1D83 #9B741D #1D9B35

square

#1D449B #9B1D83 #9B741D #1D9B35

split-complementary

#1D449B #9B351D #839B1D

monochromatic

#0A1734 #132D67 #1D449B #275BCF #537FDF

Accessibility & contrast

On white

8.93

#1D449B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1D449B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D449B

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D449B	#FFFFFF	#000000	##FFFFFF
##1D449B	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004499

Tritanopia (blue-blind)

#005A68

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d449b;
/* rgb */ color: rgb(29, 68, 155);
/* oklch */ color: oklch(41.4% 0.149 263.2);

Tailwind

colors: {
  custom: {
    50: '#6f77b9',
    500: '#1d449b',
    950: '#000000',
  },
}

SCSS

$custom: #1d449b;
$custom-light: #6f77b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d449b",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 155
  },
  "hsl": {
    "h": 221.429,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4144,
    "c": 0.1491,
    "h": 263.2
  },
  "luminance": 0.06762
}

Semantic roles & 50–950 ramp

primary

#1D449B

secondary

#C29F52

accent

#B53CEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #1D449B

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

Preview Lab → · Contrast checker → · Palette generator →