#1F417C#1F417C

#1F417C is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.108 H 260.6°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#1F417C
RGB	rgb(31, 65, 124)
HSL	hsl(218, 60%, 30%)
HSV	hsv(218, 75%, 49%)
CMYK	cmyk(75%, 47.6%, 0%, 51.4%)
CIE-LAB	lab(28.18, 9.65, -37.15)
CIE-LCH	lch(28.18, 38.38, 284.56°)
OKLab	oklab(38.4% -0.0176 -0.1064)
OKLCH	oklch(38.4% 0.108 260.6)
XYZ	xyz(6.0922, 5.5265, 19.8105)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F417C #7C5A1F

analogous

#1F6F7C #1F417C #2C1F7C

triadic

#1F417C #7C1F41 #417C1F

tetradic

#1F417C #7C1F6F #7C5A1F #1F7C2C

square

#1F417C #7C1F6F #7C5A1F #1F7C2C

split-complementary

#1F417C #7C2C1F #6F7C1F

monochromatic

#070E1A #13274B #1F417C #2B5BAD #4578D0

Accessibility & contrast

On white

9.97

#1F417C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1F417C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F417C

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F417C	#FFFFFF	#000000	##FFFFFF
##1F417C	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23477E

Deuteranopia (green-blind)

#0E3F7B

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1f417c;
/* rgb */ color: rgb(31, 65, 124);
/* oklch */ color: oklch(38.4% 0.108 260.6);

Tailwind

colors: {
  custom: {
    50: '#6875a2',
    500: '#1f417c',
    950: '#000000',
  },
}

SCSS

$custom: #1f417c;
$custom-light: #6875a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f417c",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 124
  },
  "hsl": {
    "h": 218.065,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38398,
    "c": 0.10789,
    "h": 260.6
  },
  "luminance": 0.05527
}

Semantic roles & 50–950 ramp

primary

#1F417C

secondary

#AF8948

accent

#A945E3

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1F417C

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

Preview Lab → · Contrast checker → · Palette generator →