#1F267F#1F267F

#1F267F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.147 H 271.7°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F267F
RGB	rgb(31, 38, 127)
HSL	hsl(236, 61%, 31%)
HSV	hsv(236, 76%, 50%)
CMYK	cmyk(75.6%, 70.1%, 0%, 50.2%)
CIE-LAB	lab(20.86, 29.54, -50.93)
CIE-LCH	lch(20.86, 58.88, 300.11°)
OKLab	oklab(32.99% 0.0045 -0.1473)
OKLCH	oklch(32.99% 0.147 271.7)
XYZ	xyz(5.0877, 3.2093, 20.4259)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F267F #7F781F

analogous

#1F567F #1F267F #481F7F

triadic

#1F267F #7F1F26 #267F1F

tetradic

#1F267F #7F1F56 #7F781F #1F7F48

square

#1F267F #7F1F56 #7F781F #1F7F48

split-complementary

#1F267F #7F481F #567F1F

monochromatic

#07091D #13174E #1F267F #2B35B0 #4651D2

Accessibility & contrast

On white

12.79

#1F267F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1F267F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F267F

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F267F	#FFFFFF	#000000	##FFFFFF
##1F267F	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f267f;
/* rgb */ color: rgb(31, 38, 127);
/* oklch */ color: oklch(33.0% 0.147 271.7);

Tailwind

colors: {
  custom: {
    50: '#6b60a5',
    500: '#1f267f',
    950: '#000000',
  },
}

SCSS

$custom: #1f267f;
$custom-light: #6b60a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f267f",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 127
  },
  "hsl": {
    "h": 235.625,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32987,
    "c": 0.14737,
    "h": 271.7
  },
  "luminance": 0.0321
}

Semantic roles & 50–950 ramp

primary

#1F267F

secondary

#B2AA48

accent

#D844E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #1F267F

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

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