#1F4286#1F4286

#1F4286 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.4% C 0.121 H 262.0°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F4286
RGB	rgb(31, 66, 134)
HSL	hsl(220, 62%, 32%)
HSV	hsv(220, 77%, 53%)
CMYK	cmyk(76.9%, 50.7%, 0%, 47.5%)
CIE-LAB	lab(29.18, 12.98, -41.78)
CIE-LCH	lch(29.18, 43.75, 287.26°)
OKLab	oklab(39.38% -0.0169 -0.1201)
OKLCH	oklch(39.38% 0.121 262)
XYZ	xyz(6.8148, 5.9082, 23.3309)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4286 #86631F

analogous

#1F7586 #1F4286 #301F86

triadic

#1F4286 #861F42 #42861F

tetradic

#1F4286 #861F75 #86631F #1F8630

square

#1F4286 #861F75 #86631F #1F8630

split-complementary

#1F4286 #86301F #75861F

monochromatic

#081123 #142A54 #1F4286 #2A5AB8 #4A79D5

Accessibility & contrast

On white

9.63

#1F4286 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1F4286 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4286

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4286	#FFFFFF	#000000	##FFFFFF
##1F4286	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4A88

Deuteranopia (green-blind)

#004085

Tritanopia (blue-blind)

#00525D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f4286;
/* rgb */ color: rgb(31, 66, 134);
/* oklch */ color: oklch(39.4% 0.121 262.0);

Tailwind

colors: {
  custom: {
    50: '#6a75aa',
    500: '#1f4286',
    950: '#000000',
  },
}

SCSS

$custom: #1f4286;
$custom-light: #6a75aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4286",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 134
  },
  "hsl": {
    "h": 219.612,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39384,
    "c": 0.12125,
    "h": 262
  },
  "luminance": 0.05909
}

Semantic roles & 50–950 ramp

primary

#1F4286

secondary

#B89249

accent

#AE42E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4286

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

Preview Lab → · Contrast checker → · Palette generator →