#1F2498#1F2498

#1F2498 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.182 H 270.6°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F2498
RGB	rgb(31, 36, 152)
HSL	hsl(238, 66%, 36%)
HSV	hsv(238, 80%, 60%)
CMYK	cmyk(79.6%, 76.3%, 0%, 40.4%)
CIE-LAB	lab(23.06, 39.81, -62.90)
CIE-LCH	lch(23.06, 74.44, 302.33°)
OKLab	oklab(35.36% 0.0019 -0.1821)
OKLCH	oklch(35.36% 0.182 270.6)
XYZ	xyz(6.8615, 3.8193, 30.0752)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2498 #98931F

analogous

#1F6098 #1F2498 #561F98

triadic

#1F2498 #981F24 #24981F

tetradic

#1F2498 #981F60 #98931F #1F9856

square

#1F2498 #981F60 #98931F #1F9856

split-complementary

#1F2498 #98561F #60981F

monochromatic

#0A0C32 #151865 #1F2498 #2930CB #555BDC

Accessibility & contrast

On white

11.90

#1F2498 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2498 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2498

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2498	#FFFFFF	#000000	##FFFFFF
##1F2498	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9B

Deuteranopia (green-blind)

#003196

Tritanopia (blue-blind)

#00465C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2498;
/* rgb */ color: rgb(31, 36, 152);
/* oklch */ color: oklch(35.4% 0.182 270.6);

Tailwind

colors: {
  custom: {
    50: '#7160b8',
    500: '#1f2498',
    950: '#000000',
  },
}

SCSS

$custom: #1f2498;
$custom-light: #7160b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2498",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 152
  },
  "hsl": {
    "h": 237.521,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35359,
    "c": 0.18216,
    "h": 270.6
  },
  "luminance": 0.0382
}

Semantic roles & 50–950 ramp

primary

#1F2498

secondary

#C0BB53

accent

#E23FE9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2498

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

Preview Lab → · Contrast checker → · Palette generator →