#1F2E70#1F2E70

#1F2E70 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.1% C 0.115 H 269.4°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E70
RGB	rgb(31, 46, 112)
HSL	hsl(229, 57%, 28%)
HSV	hsv(229, 72%, 44%)
CMYK	cmyk(72.3%, 58.9%, 0%, 56.1%)
CIE-LAB	lab(21.63, 18.21, -40.10)
CIE-LCH	lch(21.63, 44.04, 294.42°)
OKLab	oklab(33.13% -0.0012 -0.1155)
OKLCH	oklch(33.13% 0.115 269.4)
XYZ	xyz(4.4657, 3.4147, 15.7499)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E70 #70611F

analogous

#1F5670 #1F2E70 #381F70

triadic

#1F2E70 #701F2E #2E701F

tetradic

#1F2E70 #701F56 #70611F #1F7038

square

#1F2E70 #701F56 #70611F #1F7038

split-complementary

#1F2E70 #70381F #56701F

monochromatic

#070A18 #121A40 #1F2E70 #2C42A0 #3F59CA

Accessibility & contrast

On white

12.48

#1F2E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1F2E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E70

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E70	#FFFFFF	#000000	##FFFFFF
##1F2E70	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003872

Deuteranopia (green-blind)

#00306F

Tritanopia (blue-blind)

#003E4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2e70;
/* rgb */ color: rgb(31, 46, 112);
/* oklch */ color: oklch(33.1% 0.115 269.4);

Tailwind

colors: {
  custom: {
    50: '#66669a',
    500: '#1f2e70',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e70;
$custom-light: #66669a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e70",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 112
  },
  "hsl": {
    "h": 228.889,
    "s": 56.643,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33134,
    "c": 0.11547,
    "h": 269.4
  },
  "luminance": 0.03415
}

Semantic roles & 50–950 ramp

primary

#1F2E70

secondary

#A49347

accent

#C448E0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1F2E70

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

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