#1F208E#1F208E

#1F208E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.6% C 0.174 H 271.7°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F208E
RGB	rgb(31, 32, 142)
HSL	hsl(239, 64%, 34%)
HSV	hsv(239, 78%, 56%)
CMYK	cmyk(78.2%, 77.5%, 0%, 44.3%)
CIE-LAB	lab(21.12, 38.67, -59.93)
CIE-LCH	lch(21.12, 71.32, 302.83°)
OKLab	oklab(33.65% 0.0053 -0.1735)
OKLCH	oklch(33.65% 0.174 271.7)
XYZ	xyz(5.9624, 3.2767, 25.9042)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F208E #8E8D1F

analogous

#1F588E #1F208E #561F8E

triadic

#1F208E #8E1F20 #208E1F

tetradic

#1F208E #8E1F58 #8E8D1F #1F8E56

square

#1F208E #8E1F58 #8E8D1F #1F8E56

split-complementary

#1F208E #8E561F #588E1F

monochromatic

#09092A #14155C #1F208E #2A2BC0 #4F50D9

Accessibility & contrast

On white

12.69

#1F208E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1F208E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F208E

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F208E	#FFFFFF	#000000	##FFFFFF
##1F208E	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f208e;
/* rgb */ color: rgb(31, 32, 142);
/* oklch */ color: oklch(33.6% 0.174 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f5db0',
    500: '#1f208e',
    950: '#000000',
  },
}

SCSS

$custom: #1f208e;
$custom-light: #6f5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f208e",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 142
  },
  "hsl": {
    "h": 239.459,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33649,
    "c": 0.17357,
    "h": 271.7
  },
  "luminance": 0.03277
}

Semantic roles & 50–950 ramp

primary

#1F208E

secondary

#BBBA4D

accent

#E641E7

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F208E

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

Preview Lab → · Contrast checker → · Palette generator →