#1F249C#1F249C

#1F249C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.187 H 270.4°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F249C
RGB	rgb(31, 36, 156)
HSL	hsl(238, 67%, 37%)
HSV	hsv(238, 80%, 61%)
CMYK	cmyk(80.1%, 76.9%, 0%, 38.8%)
CIE-LAB	lab(23.51, 41.19, -64.61)
CIE-LCH	lch(23.51, 76.62, 302.52°)
OKLab	oklab(35.81% 0.0012 -0.1871)
OKLCH	oklch(35.81% 0.187 270.4)
XYZ	xyz(7.1947, 3.9525, 31.8298)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F249C #9C971F

analogous

#1F639C #1F249C #591F9C

triadic

#1F249C #9C1F24 #249C1F

tetradic

#1F249C #9C1F63 #9C971F #1F9C59

square

#1F249C #9C1F63 #9C971F #1F9C59

split-complementary

#1F249C #9C591F #639C1F

monochromatic

#0B0C36 #151869 #1F249C #2930CF #585DDE

Accessibility & contrast

On white

11.73

#1F249C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1F249C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F249C

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F249C	#FFFFFF	#000000	##FFFFFF
##1F249C	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00329A

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f249c;
/* rgb */ color: rgb(31, 36, 156);
/* oklch */ color: oklch(35.8% 0.187 270.4);

Tailwind

colors: {
  custom: {
    50: '#7260ba',
    500: '#1f249c',
    950: '#000000',
  },
}

SCSS

$custom: #1f249c;
$custom-light: #7260ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f249c",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 156
  },
  "hsl": {
    "h": 237.6,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35809,
    "c": 0.18712,
    "h": 270.4
  },
  "luminance": 0.03953
}

Semantic roles & 50–950 ramp

primary

#1F249C

secondary

#C1BD55

accent

#E33EEA

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1F249C

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

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