#1F49AA#1F49AA

#1F49AA is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.163 H 263.5°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1F49AA
RGB	rgb(31, 73, 170)
HSL	hsl(222, 69%, 39%)
HSV	hsv(222, 82%, 67%)
CMYK	cmyk(81.8%, 57.1%, 0%, 33.3%)
CIE-LAB	lab(33.89, 22.55, -56.04)
CIE-LCH	lch(33.89, 60.40, 291.92°)
OKLab	oklab(43.82% -0.0186 -0.1618)
OKLCH	oklch(43.82% 0.163 263.5)
XYZ	xyz(10.2007, 7.9574, 39.0207)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F49AA #AA801F

analogous

#1F8EAA #1F49AA #3B1FAA

triadic

#1F49AA #AA1F49 #49AA1F

tetradic

#1F49AA #AA1F8E #AA801F #1FAA3B

square

#1F49AA #AA1F8E #AA801F #1FAA3B

split-complementary

#1F49AA #AA3B1F #8EAA1F

monochromatic

#0C1D42 #163376 #1F49AA #2D61D9 #6188E2

Accessibility & contrast

On white

8.10

#1F49AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1F49AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F49AA

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F49AA	#FFFFFF	#000000	##FFFFFF
##1F49AA	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#004AA8

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1f49aa;
/* rgb */ color: rgb(31, 73, 170);
/* oklch */ color: oklch(43.8% 0.163 263.5);

Tailwind

colors: {
  custom: {
    50: '#737bc4',
    500: '#1f49aa',
    950: '#000000',
  },
}

SCSS

$custom: #1f49aa;
$custom-light: #737bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f49aa",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 170
  },
  "hsl": {
    "h": 221.871,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4382,
    "c": 0.16291,
    "h": 263.5
  },
  "luminance": 0.07959
}

Semantic roles & 50–950 ramp

primary

#1F49AA

secondary

#C7A75E

accent

#B73CEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090913

muted

#7B7B82

Preview Lab

Preview with #1F49AA

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

Preview Lab → · Contrast checker → · Palette generator →