#1F268E#1F268E

#1F268E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.167 H 270.9°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F268E
RGB	rgb(31, 38, 142)
HSL	hsl(236, 64%, 34%)
HSV	hsv(236, 78%, 56%)
CMYK	cmyk(78.2%, 73.2%, 0%, 44.3%)
CIE-LAB	lab(22.41, 35.06, -57.80)
CIE-LCH	lch(22.41, 67.60, 301.24°)
OKLab	oklab(34.57% 0.0026 -0.1673)
OKLCH	oklch(34.57% 0.167 270.9)
XYZ	xyz(6.1390, 3.6299, 25.9630)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F268E #8E871F

analogous

#1F5E8E #1F268E #501F8E

triadic

#1F268E #8E1F26 #268E1F

tetradic

#1F268E #8E1F5E #8E871F #1F8E50

square

#1F268E #8E1F5E #8E871F #1F8E50

split-complementary

#1F268E #8E501F #5E8E1F

monochromatic

#090B2A #14195C #1F268E #2A33C0 #4F58D9

Accessibility & contrast

On white

12.17

#1F268E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1F268E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F268E

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F268E	#FFFFFF	#000000	##FFFFFF
##1F268E	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f268e;
/* rgb */ color: rgb(31, 38, 142);
/* oklch */ color: oklch(34.6% 0.167 270.9);

Tailwind

colors: {
  custom: {
    50: '#6f61b0',
    500: '#1f268e',
    950: '#000000',
  },
}

SCSS

$custom: #1f268e;
$custom-light: #6f61b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f268e",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 142
  },
  "hsl": {
    "h": 236.216,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34567,
    "c": 0.16736,
    "h": 270.9
  },
  "luminance": 0.03631
}

Semantic roles & 50–950 ramp

primary

#1F268E

secondary

#BBB54D

accent

#DD41E7

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F268E

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

Preview Lab → · Contrast checker → · Palette generator →