#1F449C#1F449C

#1F449C is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.150 H 263.8°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#1F449C
RGB	rgb(31, 68, 156)
HSL	hsl(222, 67%, 37%)
HSV	hsv(222, 80%, 61%)
CMYK	cmyk(80.1%, 56.4%, 0%, 38.8%)
CIE-LAB	lab(31.40, 20.41, -51.67)
CIE-LCH	lch(31.40, 55.55, 291.55°)
OKLab	oklab(41.6% -0.0161 -0.1491)
OKLCH	oklch(41.6% 0.15 263.8)
XYZ	xyz(8.6308, 6.8248, 32.3085)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F449C #9C771F

analogous

#1F839C #1F449C #391F9C

triadic

#1F449C #9C1F44 #449C1F

tetradic

#1F449C #9C1F83 #9C771F #1F9C39

square

#1F449C #9C1F83 #9C771F #1F9C39

split-complementary

#1F449C #9C391F #839C1F

monochromatic

#0B1736 #152E69 #1F449C #295ACF #587FDE

Accessibility & contrast

On white

8.88

#1F449C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1F449C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F449C

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F449C	#FFFFFF	#000000	##FFFFFF
##1F449C	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509F

Deuteranopia (green-blind)

#00449A

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f449c;
/* rgb */ color: rgb(31, 68, 156);
/* oklch */ color: oklch(41.6% 0.150 263.8);

Tailwind

colors: {
  custom: {
    50: '#7077ba',
    500: '#1f449c',
    950: '#000000',
  },
}

SCSS

$custom: #1f449c;
$custom-light: #7077ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f449c",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 156
  },
  "hsl": {
    "h": 222.24,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41596,
    "c": 0.14996,
    "h": 263.8
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary

#1F449C

secondary

#C1A155

accent

#B73EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1F449C

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

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