#1F1A98#1F1A98

#1F1A98 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.0% C 0.191 H 271.5°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F1A98
RGB	rgb(31, 26, 152)
HSL	hsl(242, 71%, 35%)
HSV	hsv(242, 83%, 60%)
CMYK	cmyk(79.6%, 82.9%, 0%, 40.4%)
CIE-LAB	lab(21.19, 45.20, -66.00)
CIE-LCH	lch(21.19, 79.99, 304.40°)
OKLab	oklab(34.05% 0.0051 -0.191)
OKLCH	oklch(34.05% 0.191 271.5)
XYZ	xyz(6.6001, 3.2964, 29.9881)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1A98 #93981A

analogous

#1A5498 #1F1A98 #5E1A98

triadic

#1F1A98 #981F1A #1A981F

tetradic

#1F1A98 #981A54 #93981A #1A985E

square

#1F1A98 #981A54 #93981A #1A985E

split-complementary

#1F1A98 #985E1A #54981A

monochromatic

#0A082F #141164 #1F1A98 #2A23CC #524CE0

Accessibility & contrast

On white

12.66

#1F1A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1F1A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1A98

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1A98	#FFFFFF	#000000	##FFFFFF
##1F1A98	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399B

Deuteranopia (green-blind)

#002C96

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f1a98;
/* rgb */ color: rgb(31, 26, 152);
/* oklch */ color: oklch(34.0% 0.191 271.5);

Tailwind

colors: {
  custom: {
    50: '#725ab8',
    500: '#1f1a98',
    950: '#000000',
  },
}

SCSS

$custom: #1f1a98;
$custom-light: #725ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1a98",
  "rgb": {
    "r": 31,
    "g": 26,
    "b": 152
  },
  "hsl": {
    "h": 242.381,
    "s": 70.787,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34046,
    "c": 0.19107,
    "h": 271.5
  },
  "luminance": 0.03297
}

Semantic roles & 50–950 ramp

primary

#1F1A98

secondary

#BEC24B

accent

#EE3AE6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F1A98

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

Preview Lab → · Contrast checker → · Palette generator →