#1F266A#1F266A

#1F266A is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.9% C 0.117 H 272.9°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F266A
RGB	rgb(31, 38, 106)
HSL	hsl(234, 55%, 27%)
HSV	hsv(234, 71%, 42%)
CMYK	cmyk(70.8%, 64.2%, 0%, 58.4%)
CIE-LAB	lab(18.88, 21.52, -40.70)
CIE-LCH	lch(18.88, 46.04, 297.86°)
OKLab	oklab(30.92% 0.006 -0.1173)
OKLCH	oklch(30.92% 0.117 272.9)
XYZ	xyz(3.8588, 2.7178, 13.9541)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F266A #6A631F

analogous

#1F4C6A #1F266A #3E1F6A

triadic

#1F266A #6A1F26 #266A1F

tetradic

#1F266A #6A1F4C #6A631F #1F6A3E

square

#1F266A #6A1F4C #6A631F #1F6A3E

split-complementary

#1F266A #6A3E1F #4C6A1F

monochromatic

#070818 #11153B #1F266A #2D3799 #3D4AC6

Accessibility & contrast

On white

13.60

#1F266A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1F266A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F266A

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F266A	#FFFFFF	#000000	##FFFFFF
##1F266A	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316C

Deuteranopia (green-blind)

#002B69

Tritanopia (blue-blind)

#003744

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f266a;
/* rgb */ color: rgb(31, 38, 106);
/* oklch */ color: oklch(30.9% 0.117 272.9);

Tailwind

colors: {
  custom: {
    50: '#656095',
    500: '#1f266a',
    950: '#000000',
  },
}

SCSS

$custom: #1f266a;
$custom-light: #656095;
$custom-dark: #000000;

JSON

{
  "hex": "#1f266a",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 106
  },
  "hsl": {
    "h": 234.4,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30921,
    "c": 0.11748,
    "h": 272.9
  },
  "luminance": 0.02718
}

Semantic roles & 50–950 ramp

primary

#1F266A

secondary

#9E9647

accent

#D04ADE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1F266A

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

Preview Lab → · Contrast checker → · Palette generator →