#1F2E73#1F2E73

#1F2E73 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.120 H 269.5°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E73
RGB	rgb(31, 46, 115)
HSL	hsl(229, 58%, 29%)
HSV	hsv(229, 73%, 45%)
CMYK	cmyk(73%, 60%, 0%, 54.9%)
CIE-LAB	lab(21.88, 19.40, -41.63)
CIE-LCH	lch(21.88, 45.92, 294.99°)
OKLab	oklab(33.4% -0.0011 -0.1199)
OKLCH	oklch(33.4% 0.12 269.5)
XYZ	xyz(4.6355, 3.4826, 16.6443)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E73 #73641F

analogous

#1F5873 #1F2E73 #3A1F73

triadic

#1F2E73 #731F2E #2E731F

tetradic

#1F2E73 #731F58 #73641F #1F733A

square

#1F2E73 #731F58 #73641F #1F733A

split-complementary

#1F2E73 #733A1F #58731F

monochromatic

#060A18 #121B43 #1F2E73 #2C41A3 #415ACC

Accessibility & contrast

On white

12.38

#1F2E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1F2E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E73

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E73	#FFFFFF	#000000	##FFFFFF
##1F2E73	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2e73;
/* rgb */ color: rgb(31, 46, 115);
/* oklch */ color: oklch(33.4% 0.120 269.5);

Tailwind

colors: {
  custom: {
    50: '#67669c',
    500: '#1f2e73',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e73;
$custom-light: #67669c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e73",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 115
  },
  "hsl": {
    "h": 229.286,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33397,
    "c": 0.11994,
    "h": 269.5
  },
  "luminance": 0.03483
}

Semantic roles & 50–950 ramp

primary

#1F2E73

secondary

#A79647

accent

#C547E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1F2E73

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

Preview Lab → · Contrast checker → · Palette generator →