#1F249E#1F249E

#1F249E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.0% C 0.190 H 270.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F249E
RGB	rgb(31, 36, 158)
HSL	hsl(238, 67%, 37%)
HSV	hsv(238, 80%, 62%)
CMYK	cmyk(80.4%, 77.2%, 0%, 38%)
CIE-LAB	lab(23.74, 41.87, -65.46)
CIE-LCH	lch(23.74, 77.71, 302.61°)
OKLab	oklab(36.04% 0.0009 -0.1896)
OKLCH	oklch(36.04% 0.19 270.3)
XYZ	xyz(7.3654, 4.0208, 32.7290)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F249E #9E991F

analogous

#1F649E #1F249E #5A1F9E

triadic

#1F249E #9E1F24 #249E1F

tetradic

#1F249E #9E1F64 #9E991F #1F9E5A

square

#1F249E #9E1F64 #9E991F #1F9E5A

split-complementary

#1F249E #9E5A1F #649E1F

monochromatic

#0B0D38 #15186B #1F249E #2930D1 #595EDE

Accessibility & contrast

On white

11.64

#1F249E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F249E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F249E

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F249E	#FFFFFF	#000000	##FFFFFF
##1F249E	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA1

Deuteranopia (green-blind)

#00329C

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f249e;
/* rgb */ color: rgb(31, 36, 158);
/* oklch */ color: oklch(36.0% 0.190 270.3);

Tailwind

colors: {
  custom: {
    50: '#7360bc',
    500: '#1f249e',
    950: '#000000',
  },
}

SCSS

$custom: #1f249e;
$custom-light: #7360bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f249e",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 158
  },
  "hsl": {
    "h": 237.638,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36036,
    "c": 0.18958,
    "h": 270.3
  },
  "luminance": 0.04022
}

Semantic roles & 50–950 ramp

primary

#1F249E

secondary

#C2BE56

accent

#E33EEA

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1F249E

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

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