#1F2A67#1F2A67

#1F2A67 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.5% C 0.107 H 271.2°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A67
RGB	rgb(31, 42, 103)
HSL	hsl(231, 54%, 26%)
HSV	hsv(231, 70%, 40%)
CMYK	cmyk(69.9%, 59.2%, 0%, 59.6%)
CIE-LAB	lab(19.75, 17.50, -37.33)
CIE-LCH	lch(19.75, 41.23, 295.11°)
OKLab	oklab(31.49% 0.0022 -0.1074)
OKLCH	oklch(31.49% 0.107 271.2)
XYZ	xyz(3.8404, 2.9262, 13.1918)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A67 #675C1F

analogous

#1F4E67 #1F2A67 #381F67

triadic

#1F2A67 #671F2A #2A671F

tetradic

#1F2A67 #671F4E #675C1F #1F6738

square

#1F2A67 #671F4E #675C1F #1F6738

split-complementary

#1F2A67 #67381F #4E671F

monochromatic

#070A18 #111738 #1F2A67 #2D3D96 #3C51C4

Accessibility & contrast

On white

13.25

#1F2A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1F2A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A67

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A67	#FFFFFF	#000000	##FFFFFF
##1F2A67	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003369

Deuteranopia (green-blind)

#002D66

Tritanopia (blue-blind)

#003944

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f2a67;
/* rgb */ color: rgb(31, 42, 103);
/* oklch */ color: oklch(31.5% 0.107 271.2);

Tailwind

colors: {
  custom: {
    50: '#646393',
    500: '#1f2a67',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a67;
$custom-light: #646393;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a67",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 103
  },
  "hsl": {
    "h": 230.833,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31487,
    "c": 0.1074,
    "h": 271.2
  },
  "luminance": 0.02927
}

Semantic roles & 50–950 ramp

primary

#1F2A67

secondary

#9B8E46

accent

#C74BDD

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1F2A67

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

Preview Lab → · Contrast checker → · Palette generator →