#1F2E8E#1F2E8E

#1F2E8E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.158 H 269.4°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E8E
RGB	rgb(31, 46, 142)
HSL	hsl(232, 64%, 34%)
HSV	hsv(232, 78%, 56%)
CMYK	cmyk(78.2%, 67.6%, 0%, 44.3%)
CIE-LAB	lab(24.31, 29.89, -54.66)
CIE-LCH	lch(24.31, 62.30, 298.67°)
OKLab	oklab(35.95% -0.0017 -0.1582)
OKLCH	oklch(35.95% 0.158 269.4)
XYZ	xyz(6.4229, 4.1976, 26.0577)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E8E #8E7F1F

analogous

#1F668E #1F2E8E #481F8E

triadic

#1F2E8E #8E1F2E #2E8E1F

tetradic

#1F2E8E #8E1F66 #8E7F1F #1F8E48

square

#1F2E8E #8E1F66 #8E7F1F #1F8E48

split-complementary

#1F2E8E #8E481F #668E1F

monochromatic

#090D2A #141E5C #1F2E8E #2A3EC0 #4F61D9

Accessibility & contrast

On white

11.42

#1F2E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1F2E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E8E

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E8E	#FFFFFF	#000000	##FFFFFF
##1F2E8E	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f2e8e;
/* rgb */ color: rgb(31, 46, 142);
/* oklch */ color: oklch(35.9% 0.158 269.4);

Tailwind

colors: {
  custom: {
    50: '#6e66b0',
    500: '#1f2e8e',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e8e;
$custom-light: #6e66b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e8e",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 142
  },
  "hsl": {
    "h": 231.892,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35947,
    "c": 0.15818,
    "h": 269.4
  },
  "luminance": 0.04198
}

Semantic roles & 50–950 ramp

primary

#1F2E8E

secondary

#BBAD4D

accent

#D141E7

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1F2E8E

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

Preview Lab → · Contrast checker → · Palette generator →