#1F327E#1F327E

#1F327E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.131 H 268.2°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F327E
RGB	rgb(31, 50, 126)
HSL	hsl(228, 61%, 31%)
HSV	hsv(228, 75%, 49%)
CMYK	cmyk(75.4%, 60.3%, 0%, 50.6%)
CIE-LAB	lab(23.93, 20.94, -45.29)
CIE-LCH	lch(23.93, 49.89, 294.81°)
OKLab	oklab(35.22% -0.0041 -0.1306)
OKLCH	oklch(35.22% 0.131 268.2)
XYZ	xyz(5.4703, 4.0783, 20.2335)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F327E #7E6B1F

analogous

#1F617E #1F327E #3B1F7E

triadic

#1F327E #7E1F32 #327E1F

tetradic

#1F327E #7E1F61 #7E6B1F #1F7E3B

square

#1F327E #7E1F61 #7E6B1F #1F7E3B

split-complementary

#1F327E #7E3B1F #617E1F

monochromatic

#070B1C #131F4D #1F327E #2B45AF #4662D1

Accessibility & contrast

On white

11.57

#1F327E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F327E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F327E

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F327E	#FFFFFF	#000000	##FFFFFF
##1F327E	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00357D

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f327e;
/* rgb */ color: rgb(31, 50, 126);
/* oklch */ color: oklch(35.2% 0.131 268.2);

Tailwind

colors: {
  custom: {
    50: '#6969a4',
    500: '#1f327e',
    950: '#000000',
  },
}

SCSS

$custom: #1f327e;
$custom-light: #6969a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f327e",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 126
  },
  "hsl": {
    "h": 228,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35216,
    "c": 0.13072,
    "h": 268.2
  },
  "luminance": 0.04079
}

Semantic roles & 50–950 ramp

primary

#1F327E

secondary

#B19C48

accent

#C444E4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1F327E

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

Preview Lab → · Contrast checker → · Palette generator →