#1F217E#1F217E

#1F217E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.152 H 272.9°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#1F217E
RGB	rgb(31, 33, 126)
HSL	hsl(239, 61%, 31%)
HSV	hsv(239, 75%, 49%)
CMYK	cmyk(75.4%, 73.8%, 0%, 50.6%)
CIE-LAB	lab(19.58, 32.41, -52.42)
CIE-LCH	lch(19.58, 61.62, 301.73°)
OKLab	oklab(32.03% 0.0077 -0.1516)
OKLCH	oklch(32.03% 0.152 272.9)
XYZ	xyz(4.8736, 2.8849, 20.0346)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F217E #7E7C1F

analogous

#1F507E #1F217E #4C1F7E

triadic

#1F217E #7E1F21 #217E1F

tetradic

#1F217E #7E1F50 #7E7C1F #1F7E4C

square

#1F217E #7E1F50 #7E7C1F #1F7E4C

split-complementary

#1F217E #7E4C1F #507E1F

monochromatic

#07071C #13144D #1F217E #2B2EAF #4649D1

Accessibility & contrast

On white

13.32

#1F217E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1F217E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F217E

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F217E	#FFFFFF	#000000	##FFFFFF
##1F217E	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002B7C

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f217e;
/* rgb */ color: rgb(31, 33, 126);
/* oklch */ color: oklch(32.0% 0.152 272.9);

Tailwind

colors: {
  custom: {
    50: '#6b5da4',
    500: '#1f217e',
    950: '#000000',
  },
}

SCSS

$custom: #1f217e;
$custom-light: #6b5da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f217e",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 126
  },
  "hsl": {
    "h": 238.737,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32028,
    "c": 0.15182,
    "h": 272.9
  },
  "luminance": 0.02885
}

Semantic roles & 50–950 ramp

primary

#1F217E

secondary

#B1AF48

accent

#E044E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F217E

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

Preview Lab → · Contrast checker → · Palette generator →