#1F417E#1F417E

#1F417E is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.5% C 0.111 H 261.0°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F417E
RGB	rgb(31, 65, 126)
HSL	hsl(219, 61%, 31%)
HSV	hsv(219, 75%, 49%)
CMYK	cmyk(75.4%, 48.4%, 0%, 50.6%)
CIE-LAB	lab(28.32, 10.45, -38.18)
CIE-LCH	lch(28.32, 39.59, 285.31°)
OKLab	oklab(38.55% -0.0173 -0.1095)
OKLCH	oklch(38.55% 0.111 261)
XYZ	xyz(6.2199, 5.5776, 20.4834)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F417E #7E5C1F

analogous

#1F707E #1F417E #2C1F7E

triadic

#1F417E #7E1F41 #417E1F

tetradic

#1F417E #7E1F70 #7E5C1F #1F7E2C

square

#1F417E #7E1F70 #7E5C1F #1F7E2C

split-complementary

#1F417E #7E2C1F #707E1F

monochromatic

#070E1C #13284D #1F417E #2B5AAF #4678D1

Accessibility & contrast

On white

9.93

#1F417E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1F417E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F417E

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F417E	#FFFFFF	#000000	##FFFFFF
##1F417E	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214780

Deuteranopia (green-blind)

#0A3F7D

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f417e;
/* rgb */ color: rgb(31, 65, 126);
/* oklch */ color: oklch(38.5% 0.111 261.0);

Tailwind

colors: {
  custom: {
    50: '#6875a4',
    500: '#1f417e',
    950: '#000000',
  },
}

SCSS

$custom: #1f417e;
$custom-light: #6875a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f417e",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 126
  },
  "hsl": {
    "h": 218.526,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.38546,
    "c": 0.11084,
    "h": 261
  },
  "luminance": 0.05578
}

Semantic roles & 50–950 ramp

primary

#1F417E

secondary

#B18B48

accent

#AB44E4

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1F417E

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

Preview Lab → · Contrast checker → · Palette generator →