#1F4586#1F4586

#1F4586 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.1% C 0.117 H 260.4°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#1F4586
RGB	rgb(31, 69, 134)
HSL	hsl(218, 62%, 32%)
HSV	hsv(218, 77%, 53%)
CMYK	cmyk(76.9%, 48.5%, 0%, 47.5%)
CIE-LAB	lab(30.08, 10.91, -40.34)
CIE-LCH	lch(30.08, 41.79, 285.14°)
OKLab	oklab(40.07% -0.0196 -0.1157)
OKLCH	oklch(40.07% 0.117 260.4)
XYZ	xyz(6.9947, 6.2680, 23.3908)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4586 #86601F

analogous

#1F7986 #1F4586 #2D1F86

triadic

#1F4586 #861F45 #45861F

tetradic

#1F4586 #861F79 #86601F #1F862D

square

#1F4586 #861F79 #86601F #1F862D

split-complementary

#1F4586 #862D1F #79861F

monochromatic

#081223 #142B54 #1F4586 #2A5FB8 #4A7DD5

Accessibility & contrast

On white

9.32

#1F4586 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1F4586 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4586

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4586	#FFFFFF	#000000	##FFFFFF
##1F4586	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224C88

Deuteranopia (green-blind)

#064285

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4586;
/* rgb */ color: rgb(31, 69, 134);
/* oklch */ color: oklch(40.1% 0.117 260.4);

Tailwind

colors: {
  custom: {
    50: '#6a78aa',
    500: '#1f4586',
    950: '#000000',
  },
}

SCSS

$custom: #1f4586;
$custom-light: #6a78aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4586",
  "rgb": {
    "r": 31,
    "g": 69,
    "b": 134
  },
  "hsl": {
    "h": 217.864,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40073,
    "c": 0.11739,
    "h": 260.4
  },
  "luminance": 0.06269
}

Semantic roles & 50–950 ramp

primary

#1F4586

secondary

#B88F49

accent

#A942E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4586

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

Preview Lab → · Contrast checker → · Palette generator →