#1F2690#1F2690

#1F2690 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.8% C 0.170 H 270.8°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F2690
RGB	rgb(31, 38, 144)
HSL	hsl(236, 65%, 34%)
HSV	hsv(236, 78%, 56%)
CMYK	cmyk(78.5%, 73.6%, 0%, 43.5%)
CIE-LAB	lab(22.62, 35.78, -58.69)
CIE-LCH	lch(22.62, 68.74, 301.37°)
OKLab	oklab(34.78% 0.0023 -0.1699)
OKLCH	oklch(34.78% 0.17 270.8)
XYZ	xyz(6.2905, 3.6905, 26.7609)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2690 #90891F

analogous

#1F5F90 #1F2690 #511F90

triadic

#1F2690 #901F26 #26901F

tetradic

#1F2690 #901F5F #90891F #1F9051

square

#1F2690 #901F5F #90891F #1F9051

split-complementary

#1F2690 #90511F #5F901F

monochromatic

#090B2B #14195E #1F2690 #2A33C2 #5059D9

Accessibility & contrast

On white

12.08

#1F2690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1F2690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2690

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2690	#FFFFFF	#000000	##FFFFFF
##1F2690	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C93

Deuteranopia (green-blind)

#00308E

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2690;
/* rgb */ color: rgb(31, 38, 144);
/* oklch */ color: oklch(34.8% 0.170 270.8);

Tailwind

colors: {
  custom: {
    50: '#6f61b2',
    500: '#1f2690',
    950: '#000000',
  },
}

SCSS

$custom: #1f2690;
$custom-light: #6f61b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2690",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 144
  },
  "hsl": {
    "h": 236.283,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34783,
    "c": 0.16995,
    "h": 270.8
  },
  "luminance": 0.03691
}

Semantic roles & 50–950 ramp

primary

#1F2690

secondary

#BCB64E

accent

#DD40E8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2690

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

Preview Lab → · Contrast checker → · Palette generator →