#1F2996#1F2996

#1F2996 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.174 H 270.0°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F2996
RGB	rgb(31, 41, 150)
HSL	hsl(235, 66%, 35%)
HSV	hsv(235, 79%, 59%)
CMYK	cmyk(79.3%, 72.7%, 0%, 41.2%)
CIE-LAB	lab(23.93, 36.08, -60.24)
CIE-LCH	lch(23.93, 70.22, 300.92°)
OKLab	oklab(35.91% 0.0001 -0.1744)
OKLCH	oklch(35.91% 0.174 270)
XYZ	xyz(6.8612, 4.0784, 29.2739)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2996 #968C1F

analogous

#1F6496 #1F2996 #501F96

triadic

#1F2996 #961F29 #29961F

tetradic

#1F2996 #961F64 #968C1F #1F9650

square

#1F2996 #961F64 #968C1F #1F9650

split-complementary

#1F2996 #96501F #64961F

monochromatic

#0A0D31 #151B63 #1F2996 #2937C9 #545FDC

Accessibility & contrast

On white

11.57

#1F2996 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F2996 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2996

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2996	#FFFFFF	#000000	##FFFFFF
##1F2996	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F99

Deuteranopia (green-blind)

#003394

Tritanopia (blue-blind)

#00485C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f2996;
/* rgb */ color: rgb(31, 41, 150);
/* oklch */ color: oklch(35.9% 0.174 270.0);

Tailwind

colors: {
  custom: {
    50: '#7063b6',
    500: '#1f2996',
    950: '#000000',
  },
}

SCSS

$custom: #1f2996;
$custom-light: #7063b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2996",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 150
  },
  "hsl": {
    "h": 234.958,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35911,
    "c": 0.17445,
    "h": 270
  },
  "luminance": 0.04079
}

Semantic roles & 50–950 ramp

primary

#1F2996

secondary

#BFB652

accent

#DA3FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1F2996

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

Preview Lab → · Contrast checker → · Palette generator →