#1F266F#1F266F

#1F266F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.125 H 272.7°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#1F266F
RGB	rgb(31, 38, 111)
HSL	hsl(235, 56%, 28%)
HSV	hsv(235, 72%, 44%)
CMYK	cmyk(72.1%, 65.8%, 0%, 56.5%)
CIE-LAB	lab(19.33, 23.46, -43.21)
CIE-LCH	lch(19.33, 49.17, 298.49°)
OKLab	oklab(31.4% 0.0058 -0.1247)
OKLCH	oklch(31.4% 0.125 272.7)
XYZ	xyz(4.1265, 2.8248, 15.3636)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F266F #6F681F

analogous

#1F4E6F #1F266F #401F6F

triadic

#1F266F #6F1F26 #266F1F

tetradic

#1F266F #6F1F4E #6F681F #1F6F40

square

#1F266F #6F1F4E #6F681F #1F6F40

split-complementary

#1F266F #6F401F #4E6F1F

monochromatic

#070818 #12163F #1F266F #2C369F #3F4BC9

Accessibility & contrast

On white

13.42

#1F266F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F266F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F266F

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F266F	#FFFFFF	#000000	##FFFFFF
##1F266F	1.00	13.42	1.57	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003371

Deuteranopia (green-blind)

#002B6E

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f266f;
/* rgb */ color: rgb(31, 38, 111);
/* oklch */ color: oklch(31.4% 0.125 272.7);

Tailwind

colors: {
  custom: {
    50: '#676099',
    500: '#1f266f',
    950: '#000000',
  },
}

SCSS

$custom: #1f266f;
$custom-light: #676099;
$custom-dark: #000000;

JSON

{
  "hex": "#1f266f",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 111
  },
  "hsl": {
    "h": 234.75,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31395,
    "c": 0.12482,
    "h": 272.7
  },
  "luminance": 0.02825
}

Semantic roles & 50–950 ramp

primary

#1F266F

secondary

#A39B47

accent

#D248E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1F266F

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

Preview Lab → · Contrast checker → · Palette generator →