#1F4386#1F4386

#1F4386 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.6% C 0.120 H 261.5°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F4386
RGB	rgb(31, 67, 134)
HSL	hsl(219, 62%, 32%)
HSV	hsv(219, 77%, 53%)
CMYK	cmyk(76.9%, 50%, 0%, 47.5%)
CIE-LAB	lab(29.48, 12.29, -41.30)
CIE-LCH	lch(29.48, 43.09, 286.57°)
OKLab	oklab(39.61% -0.0178 -0.1186)
OKLCH	oklch(39.61% 0.12 261.5)
XYZ	xyz(6.8738, 6.0261, 23.3505)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4386 #86621F

analogous

#1F7786 #1F4386 #2F1F86

triadic

#1F4386 #861F43 #43861F

tetradic

#1F4386 #861F77 #86621F #1F862F

square

#1F4386 #861F77 #86621F #1F862F

split-complementary

#1F4386 #862F1F #77861F

monochromatic

#081123 #142A54 #1F4386 #2A5CB8 #4A7BD5

Accessibility & contrast

On white

9.52

#1F4386 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1F4386 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4386

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4386	#FFFFFF	#000000	##FFFFFF
##1F4386	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4A88

Deuteranopia (green-blind)

#004185

Tritanopia (blue-blind)

#00535E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f4386;
/* rgb */ color: rgb(31, 67, 134);
/* oklch */ color: oklch(39.6% 0.120 261.5);

Tailwind

colors: {
  custom: {
    50: '#6a76aa',
    500: '#1f4386',
    950: '#000000',
  },
}

SCSS

$custom: #1f4386;
$custom-light: #6a76aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4386",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 134
  },
  "hsl": {
    "h": 219.029,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39612,
    "c": 0.11995,
    "h": 261.5
  },
  "luminance": 0.06027
}

Semantic roles & 50–950 ramp

primary

#1F4386

secondary

#B89149

accent

#AC42E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4386

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

Preview Lab → · Contrast checker → · Palette generator →