#1F2B97#1F2B97

#1F2B97 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.3% C 0.174 H 269.7°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F2B97
RGB	rgb(31, 43, 151)
HSL	hsl(234, 66%, 36%)
HSV	hsv(234, 79%, 59%)
CMYK	cmyk(79.5%, 71.5%, 0%, 40.8%)
CIE-LAB	lab(24.49, 35.19, -59.93)
CIE-LCH	lch(24.49, 69.50, 300.42°)
OKLab	oklab(36.35% -0.001 -0.1735)
OKLCH	oklch(36.35% 0.174 269.7)
XYZ	xyz(7.0130, 4.2526, 29.7234)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2B97 #978B1F

analogous

#1F6797 #1F2B97 #4F1F97

triadic

#1F2B97 #971F2B #2B971F

tetradic

#1F2B97 #971F67 #978B1F #1F974F

square

#1F2B97 #971F67 #978B1F #1F974F

split-complementary

#1F2B97 #974F1F #67971F

monochromatic

#0A0E31 #151D64 #1F2B97 #2939CA #5462DC

Accessibility & contrast

On white

11.35

#1F2B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1F2B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2B97

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2B97	#FFFFFF	#000000	##FFFFFF
##1F2B97	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409A

Deuteranopia (green-blind)

#003495

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f2b97;
/* rgb */ color: rgb(31, 43, 151);
/* oklch */ color: oklch(36.3% 0.174 269.7);

Tailwind

colors: {
  custom: {
    50: '#7065b7',
    500: '#1f2b97',
    950: '#000000',
  },
}

SCSS

$custom: #1f2b97;
$custom-light: #7065b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2b97",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 151
  },
  "hsl": {
    "h": 234,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36346,
    "c": 0.17355,
    "h": 269.7
  },
  "luminance": 0.04253
}

Semantic roles & 50–950 ramp

primary

#1F2B97

secondary

#BFB552

accent

#D83FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1F2B97

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

Preview Lab → · Contrast checker → · Palette generator →