#1F205E#1F205E

#1F205E is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.6% C 0.108 H 276.4°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F205E
RGB	rgb(31, 32, 94)
HSL	hsl(239, 50%, 25%)
HSV	hsv(239, 67%, 37%)
CMYK	cmyk(67%, 66%, 0%, 63.1%)
CIE-LAB	lab(16.17, 21.13, -37.22)
CIE-LCH	lch(16.17, 42.80, 299.58°)
OKLab	oklab(28.59% 0.0121 -0.1072)
OKLCH	oklch(28.59% 0.108 276.4)
XYZ	xyz(3.1013, 2.1322, 10.8356)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F205E #5E5D1F

analogous

#1F405E #1F205E #3E1F5E

triadic

#1F205E #5E1F20 #205E1F

tetradic

#1F205E #5E1F40 #5E5D1F #1F5E3E

square

#1F205E #5E1F40 #5E5D1F #1F5E3E

split-complementary

#1F205E #5E3E1F #405E1F

monochromatic

#080817 #101030 #1F205E #2E308C #3D3FBA

Accessibility & contrast

On white

14.72

#1F205E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1F205E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F205E

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F205E	#FFFFFF	#000000	##FFFFFF
##1F205E	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B60

Deuteranopia (green-blind)

#00255D

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f205e;
/* rgb */ color: rgb(31, 32, 94);
/* oklch */ color: oklch(28.6% 0.108 276.4);

Tailwind

colors: {
  custom: {
    50: '#635b8c',
    500: '#1f205e',
    950: '#000000',
  },
}

SCSS

$custom: #1f205e;
$custom-light: #635b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f205e",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 94
  },
  "hsl": {
    "h": 239.048,
    "s": 50.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.28588,
    "c": 0.10784,
    "h": 276.4
  },
  "luminance": 0.02132
}

Semantic roles & 50–950 ramp

primary

#1F205E

secondary

#939146

accent

#D84EDA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1F205E

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

Preview Lab → · Contrast checker → · Palette generator →