#1F1675#1F1675

#1F1675 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.152 H 275.9°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F1675
RGB	rgb(31, 22, 117)
HSL	hsl(246, 68%, 27%)
HSV	hsv(246, 81%, 46%)
CMYK	cmyk(73.5%, 81.2%, 0%, 54.1%)
CIE-LAB	lab(16.25, 35.80, -52.15)
CIE-LCH	lch(16.25, 63.25, 304.47°)
OKLab	oklab(29.37% 0.0155 -0.1507)
OKLCH	oklch(29.37% 0.152 275.9)
XYZ	xyz(4.0618, 2.1491, 17.0269)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1675 #6C7516

analogous

#163D75 #1F1675 #4E1675

triadic

#1F1675 #751F16 #16751F

tetradic

#1F1675 #75163D #6C7516 #16754E

square

#1F1675 #75163D #6C7516 #16754E

split-complementary

#1F1675 #754E16 #3D7516

monochromatic

#07051A #110C41 #1F1675 #2D20A9 #3E2ED8

Accessibility & contrast

On white

14.69

#1F1675 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1F1675 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1675

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1675	#FFFFFF	#000000	##FFFFFF
##1F1675	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C78

Deuteranopia (green-blind)

#002473

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f1675;
/* rgb */ color: rgb(31, 22, 117);
/* oklch */ color: oklch(29.4% 0.152 275.9);

Tailwind

colors: {
  custom: {
    50: '#6a569e',
    500: '#1f1675',
    950: '#000000',
  },
}

SCSS

$custom: #1f1675;
$custom-light: #6a569e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1675",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 117
  },
  "hsl": {
    "h": 245.684,
    "s": 68.345,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29373,
    "c": 0.15154,
    "h": 275.9
  },
  "luminance": 0.02149
}

Semantic roles & 50–950 ramp

primary

#1F1675

secondary

#A0AB3C

accent

#EB3DDB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1675

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

Preview Lab → · Contrast checker → · Palette generator →