#1F5097#1F5097

#1F5097 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 43.9% C 0.128 H 258.2°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#1F5097
RGB	rgb(31, 80, 151)
HSL	hsl(216, 66%, 36%)
HSV	hsv(216, 79%, 59%)
CMYK	cmyk(79.5%, 47%, 0%, 40.8%)
CIE-LAB	lab(34.52, 10.28, -43.60)
CIE-LCH	lch(34.52, 44.79, 283.26°)
OKLab	oklab(43.86% -0.0262 -0.1251)
OKLCH	oklch(43.86% 0.128 258.2)
XYZ	xyz(9.0176, 8.2619, 30.3916)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5097 #97661F

analogous

#1F8C97 #1F5097 #2A1F97

triadic

#1F5097 #971F50 #50971F

tetradic

#1F5097 #971F8C #97661F #1F972A

square

#1F5097 #971F8C #97661F #1F972A

split-complementary

#1F5097 #972A1F #8C971F

monochromatic

#0A1A31 #153564 #1F5097 #296BCA #548CDC

Accessibility & contrast

On white

7.92

#1F5097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1F5097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5097

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5097	#FFFFFF	#000000	##FFFFFF
##1F5097	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A579A

Deuteranopia (green-blind)

#0C4C96

Tritanopia (blue-blind)

#00616C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1f5097;
/* rgb */ color: rgb(31, 80, 151);
/* oklch */ color: oklch(43.9% 0.128 258.2);

Tailwind

colors: {
  custom: {
    50: '#6e80b6',
    500: '#1f5097',
    950: '#000000',
  },
}

SCSS

$custom: #1f5097;
$custom-light: #6e80b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5097",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 151
  },
  "hsl": {
    "h": 215.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.43862,
    "c": 0.12783,
    "h": 258.2
  },
  "luminance": 0.08263
}

Semantic roles & 50–950 ramp

primary

#1F5097

secondary

#BF9352

accent

#A33FE9

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F5097

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

Preview Lab → · Contrast checker → · Palette generator →