#1F215D#1F215D

#1F215D is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.7% C 0.105 H 276.1°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F215D
RGB	rgb(31, 33, 93)
HSL	hsl(238, 50%, 24%)
HSV	hsv(238, 67%, 36%)
CMYK	cmyk(66.7%, 64.5%, 0%, 63.5%)
CIE-LAB	lab(16.35, 20.03, -36.26)
CIE-LCH	lch(16.35, 41.42, 298.92°)
OKLab	oklab(28.7% 0.0111 -0.1043)
OKLCH	oklch(28.7% 0.105 276.1)
XYZ	xyz(3.0841, 2.1691, 10.6100)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F215D #5D5B1F

analogous

#1F405D #1F215D #3C1F5D

triadic

#1F215D #5D1F21 #215D1F

tetradic

#1F215D #5D1F40 #5D5B1F #1F5D3C

square

#1F215D #5D1F40 #5D5B1F #1F5D3C

split-complementary

#1F215D #5D3C1F #405D1F

monochromatic

#080817 #10112F #1F215D #2E318B #3E42B9

Accessibility & contrast

On white

14.65

#1F215D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1F215D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F215D

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F215D	#FFFFFF	#000000	##FFFFFF
##1F215D	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5F

Deuteranopia (green-blind)

#00265C

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f215d;
/* rgb */ color: rgb(31, 33, 93);
/* oklch */ color: oklch(28.7% 0.105 276.1);

Tailwind

colors: {
  custom: {
    50: '#635c8b',
    500: '#1f215d',
    950: '#000000',
  },
}

SCSS

$custom: #1f215d;
$custom-light: #635c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f215d",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 93
  },
  "hsl": {
    "h": 238.065,
    "s": 50,
    "l": 24.314
  },
  "oklch": {
    "l": 0.28696,
    "c": 0.10491,
    "h": 276.1
  },
  "luminance": 0.02169
}

Semantic roles & 50–950 ramp

primary

#1F215D

secondary

#928F46

accent

#D54EDA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1F215D

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

Preview Lab → · Contrast checker → · Palette generator →