#1F268F#1F268F

#1F268F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.169 H 270.8°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F268F
RGB	rgb(31, 38, 143)
HSL	hsl(236, 64%, 34%)
HSV	hsv(236, 78%, 56%)
CMYK	cmyk(78.3%, 73.4%, 0%, 43.9%)
CIE-LAB	lab(22.51, 35.42, -58.25)
CIE-LCH	lch(22.51, 68.17, 301.30°)
OKLab	oklab(34.67% 0.0025 -0.1686)
OKLCH	oklch(34.67% 0.169 270.8)
XYZ	xyz(6.2144, 3.6600, 26.3602)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F268F #8F881F

analogous

#1F5E8F #1F268F #501F8F

triadic

#1F268F #8F1F26 #268F1F

tetradic

#1F268F #8F1F5E #8F881F #1F8F50

square

#1F268F #8F1F5E #8F881F #1F8F50

split-complementary

#1F268F #8F501F #5E8F1F

monochromatic

#090B2A #14195D #1F268F #2A33C1 #4F58D9

Accessibility & contrast

On white

12.12

#1F268F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1F268F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F268F

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F268F	#FFFFFF	#000000	##FFFFFF
##1F268F	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f268f;
/* rgb */ color: rgb(31, 38, 143);
/* oklch */ color: oklch(34.7% 0.169 270.8);

Tailwind

colors: {
  custom: {
    50: '#6f61b1',
    500: '#1f268f',
    950: '#000000',
  },
}

SCSS

$custom: #1f268f;
$custom-light: #6f61b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f268f",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 143
  },
  "hsl": {
    "h": 236.25,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34675,
    "c": 0.16866,
    "h": 270.8
  },
  "luminance": 0.03661
}

Semantic roles & 50–950 ramp

primary

#1F268F

secondary

#BCB54E

accent

#DD40E7

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F268F

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

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