#1F2E77#1F2E77

#1F2E77 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.126 H 269.5°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E77
RGB	rgb(31, 46, 119)
HSL	hsl(230, 59%, 29%)
HSV	hsv(230, 74%, 47%)
CMYK	cmyk(73.9%, 61.3%, 0%, 53.3%)
CIE-LAB	lab(22.22, 20.98, -43.63)
CIE-LCH	lch(22.22, 48.41, 295.68°)
OKLab	oklab(33.76% -0.001 -0.1258)
OKLCH	oklch(33.76% 0.126 269.5)
XYZ	xyz(4.8707, 3.5767, 17.8829)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E77 #77681F

analogous

#1F5A77 #1F2E77 #3C1F77

triadic

#1F2E77 #771F2E #2E771F

tetradic

#1F2E77 #771F5A #77681F #1F773C

square

#1F2E77 #771F5A #77681F #1F773C

split-complementary

#1F2E77 #773C1F #5A771F

monochromatic

#060918 #121B46 #1F2E77 #2C41A8 #435ACE

Accessibility & contrast

On white

12.24

#1F2E77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1F2E77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E77

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E77	#FFFFFF	#000000	##FFFFFF
##1F2E77	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003979

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2e77;
/* rgb */ color: rgb(31, 46, 119);
/* oklch */ color: oklch(33.8% 0.126 269.5);

Tailwind

colors: {
  custom: {
    50: '#68669f',
    500: '#1f2e77',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e77;
$custom-light: #68669f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e77",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 119
  },
  "hsl": {
    "h": 229.773,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33756,
    "c": 0.12584,
    "h": 269.5
  },
  "luminance": 0.03577
}

Semantic roles & 50–950 ramp

primary

#1F2E77

secondary

#AB9A47

accent

#C746E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #1F2E77

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

Preview Lab → · Contrast checker → · Palette generator →