#1F2E7F#1F2E7F

#1F2E7F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.137 H 269.6°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E7F
RGB	rgb(31, 46, 127)
HSL	hsl(231, 61%, 31%)
HSV	hsv(231, 76%, 50%)
CMYK	cmyk(75.6%, 63.8%, 0%, 50.2%)
CIE-LAB	lab(22.92, 24.12, -47.56)
CIE-LCH	lch(22.92, 53.33, 296.89°)
OKLab	oklab(34.49% -0.001 -0.1374)
OKLCH	oklch(34.49% 0.137 269.6)
XYZ	xyz(5.3715, 3.7770, 20.5205)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E7F #7F701F

analogous

#1F5E7F #1F2E7F #401F7F

triadic

#1F2E7F #7F1F2E #2E7F1F

tetradic

#1F2E7F #7F1F5E #7F701F #1F7F40

square

#1F2E7F #7F1F5E #7F701F #1F7F40

split-complementary

#1F2E7F #7F401F #5E7F1F

monochromatic

#070A1D #131C4E #1F2E7F #2B40B0 #465CD2

Accessibility & contrast

On white

11.96

#1F2E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E7F

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E7F	#FFFFFF	#000000	##FFFFFF
##1F2E7F	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B82

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2e7f;
/* rgb */ color: rgb(31, 46, 127);
/* oklch */ color: oklch(34.5% 0.137 269.6);

Tailwind

colors: {
  custom: {
    50: '#6a66a5',
    500: '#1f2e7f',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e7f;
$custom-light: #6a66a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e7f",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 127
  },
  "hsl": {
    "h": 230.625,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34494,
    "c": 0.13738,
    "h": 269.6
  },
  "luminance": 0.03778
}

Semantic roles & 50–950 ramp

primary

#1F2E7F

secondary

#B2A148

accent

#CB44E4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1F2E7F

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

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