#1F266D#1F266D

#1F266D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.2% C 0.122 H 272.8°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F266D
RGB	rgb(31, 38, 109)
HSL	hsl(235, 56%, 27%)
HSV	hsv(235, 72%, 43%)
CMYK	cmyk(71.6%, 65.1%, 0%, 57.3%)
CIE-LAB	lab(19.15, 22.68, -42.21)
CIE-LCH	lch(19.15, 47.92, 298.25°)
OKLab	oklab(31.2% 0.0059 -0.1218)
OKLCH	oklch(31.2% 0.122 272.8)
XYZ	xyz(4.0176, 2.7813, 14.7901)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F266D #6D661F

analogous

#1F4D6D #1F266D #3F1F6D

triadic

#1F266D #6D1F26 #266D1F

tetradic

#1F266D #6D1F4D #6D661F #1F6D3F

square

#1F266D #6D1F4D #6D661F #1F6D3F

split-complementary

#1F266D #6D3F1F #4D6D1F

monochromatic

#070818 #11153D #1F266D #2D379D #3E4BC8

Accessibility & contrast

On white

13.49

#1F266D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1F266D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F266D

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F266D	#FFFFFF	#000000	##FFFFFF
##1F266D	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#002B6C

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f266d;
/* rgb */ color: rgb(31, 38, 109);
/* oklch */ color: oklch(31.2% 0.122 272.8);

Tailwind

colors: {
  custom: {
    50: '#666098',
    500: '#1f266d',
    950: '#000000',
  },
}

SCSS

$custom: #1f266d;
$custom-light: #666098;
$custom-dark: #000000;

JSON

{
  "hex": "#1f266d",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 109
  },
  "hsl": {
    "h": 234.615,
    "s": 55.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31204,
    "c": 0.12191,
    "h": 272.8
  },
  "luminance": 0.02782
}

Semantic roles & 50–950 ramp

primary

#1F266D

secondary

#A19947

accent

#D249DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1F266D

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

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