#1A247F#1A247F

#1A247F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.151 H 270.0°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#1A247F
RGB	rgb(26, 36, 127)
HSL	hsl(234, 66%, 30%)
HSV	hsv(234, 80%, 50%)
CMYK	cmyk(79.5%, 71.7%, 0%, 50.2%)
CIE-LAB	lab(20.10, 30.33, -52.20)
CIE-LCH	lch(20.10, 60.38, 300.15°)
OKLab	oklab(32.36% 0.0001 -0.1511)
OKLCH	oklch(32.36% 0.151 270)
XYZ	xyz(4.8863, 3.0131, 20.3986)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A247F #7F751A

analogous

#1A577F #1A247F #421A7F

triadic

#1A247F #7F1A24 #247F1A

tetradic

#1A247F #7F1A57 #7F751A #1A7F42

square

#1A247F #7F1A57 #7F751A #1A7F42

split-complementary

#1A247F #7F421A #577F1A

monochromatic

#050719 #10164C #1A247F #2432B2 #3C4CD7

Accessibility & contrast

On white

13.10

#1A247F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1A247F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A247F

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A247F	#FFFFFF	#000000	##FFFFFF
##1A247F	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003582

Deuteranopia (green-blind)

#002C7D

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1a247f;
/* rgb */ color: rgb(26, 36, 127);
/* oklch */ color: oklch(32.4% 0.151 270.0);

Tailwind

colors: {
  custom: {
    50: '#695fa5',
    500: '#1a247f',
    950: '#000000',
  },
}

SCSS

$custom: #1a247f;
$custom-light: #695fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a247f",
  "rgb": {
    "r": 26,
    "g": 36,
    "b": 127
  },
  "hsl": {
    "h": 234.059,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.32356,
    "c": 0.15113,
    "h": 270
  },
  "luminance": 0.03014
}

Semantic roles & 50–950 ramp

primary

#1A247F

secondary

#B3A842

accent

#D83FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A247F

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

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