#1F207F#1F207F

#1F207F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.154 H 273.0°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F207F
RGB	rgb(31, 32, 127)
HSL	hsl(239, 61%, 31%)
HSV	hsv(239, 76%, 50%)
CMYK	cmyk(75.6%, 74.8%, 0%, 50.2%)
CIE-LAB	lab(19.46, 33.39, -53.25)
CIE-LCH	lch(19.46, 62.85, 302.09°)
OKLab	oklab(31.98% 0.008 -0.154)
OKLCH	oklch(31.98% 0.154 273)
XYZ	xyz(4.9111, 2.8561, 20.3670)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F207F #7F7E1F

analogous

#1F507F #1F207F #4E1F7F

triadic

#1F207F #7F1F20 #207F1F

tetradic

#1F207F #7F1F50 #7F7E1F #1F7F4E

square

#1F207F #7F1F50 #7F7E1F #1F7F4E

split-complementary

#1F207F #7F4E1F #507F1F

monochromatic

#07071D #13144E #1F207F #2B2CB0 #4648D2

Accessibility & contrast

On white

13.36

#1F207F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F207F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F207F

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F207F	#FFFFFF	#000000	##FFFFFF
##1F207F	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002A7D

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f207f;
/* rgb */ color: rgb(31, 32, 127);
/* oklch */ color: oklch(32.0% 0.154 273.0);

Tailwind

colors: {
  custom: {
    50: '#6b5ca5',
    500: '#1f207f',
    950: '#000000',
  },
}

SCSS

$custom: #1f207f;
$custom-light: #6b5ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f207f",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 127
  },
  "hsl": {
    "h": 239.375,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31976,
    "c": 0.15426,
    "h": 273
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#1F207F

secondary

#B2B148

accent

#E244E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F207F

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

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