#1F2698#1F2698

#1F2698 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.7% C 0.180 H 270.4°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#1F2698
RGB	rgb(31, 38, 152)
HSL	hsl(237, 66%, 36%)
HSV	hsv(237, 80%, 60%)
CMYK	cmyk(79.6%, 75%, 0%, 40.4%)
CIE-LAB	lab(23.48, 38.63, -62.20)
CIE-LCH	lch(23.48, 73.22, 301.84°)
OKLab	oklab(35.66% 0.0011 -0.1801)
OKLCH	oklch(35.66% 0.18 270.4)
XYZ	xyz(6.9238, 3.9438, 30.0960)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2698 #98911F

analogous

#1F6298 #1F2698 #541F98

triadic

#1F2698 #981F26 #26981F

tetradic

#1F2698 #981F62 #98911F #1F9854

square

#1F2698 #981F62 #98911F #1F9854

split-complementary

#1F2698 #98541F #62981F

monochromatic

#0A0D32 #151965 #1F2698 #2933CB #555DDC

Accessibility & contrast

On white

11.74

#1F2698 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1F2698 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2698

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2698	#FFFFFF	#000000	##FFFFFF
##1F2698	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9B

Deuteranopia (green-blind)

#003296

Tritanopia (blue-blind)

#00475D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2698;
/* rgb */ color: rgb(31, 38, 152);
/* oklch */ color: oklch(35.7% 0.180 270.4);

Tailwind

colors: {
  custom: {
    50: '#7161b8',
    500: '#1f2698',
    950: '#000000',
  },
}

SCSS

$custom: #1f2698;
$custom-light: #7161b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2698",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 152
  },
  "hsl": {
    "h": 236.529,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35657,
    "c": 0.18015,
    "h": 270.4
  },
  "luminance": 0.03945
}

Semantic roles & 50–950 ramp

primary

#1F2698

secondary

#C0BA53

accent

#DF3FE9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2698

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

Preview Lab → · Contrast checker → · Palette generator →