#1F5397#1F5397

#1F5397 is a dark, vivid cyan. Relative luminance 0.087; OKLCH L 44.6% C 0.124 H 256.6°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F5397
RGB	rgb(31, 83, 151)
HSL	hsl(214, 66%, 36%)
HSV	hsv(214, 79%, 59%)
CMYK	cmyk(79.5%, 45%, 0%, 40.8%)
CIE-LAB	lab(35.42, 8.28, -42.15)
CIE-LCH	lch(35.42, 42.96, 281.11°)
OKLab	oklab(44.56% -0.0288 -0.1208)
OKLCH	oklch(44.56% 0.124 256.6)
XYZ	xyz(9.2422, 8.7111, 30.4665)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5397 #97631F

analogous

#1F8F97 #1F5397 #271F97

triadic

#1F5397 #971F53 #53971F

tetradic

#1F5397 #971F8F #97631F #1F9727

square

#1F5397 #971F8F #97631F #1F9727

split-complementary

#1F5397 #97271F #8F971F

monochromatic

#0A1B31 #153764 #1F5397 #296FCA #548FDC

Accessibility & contrast

On white

7.66

#1F5397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1F5397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5397

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5397	#FFFFFF	#000000	##FFFFFF
##1F5397	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30599A

Deuteranopia (green-blind)

#184E96

Tritanopia (blue-blind)

#00636D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1f5397;
/* rgb */ color: rgb(31, 83, 151);
/* oklch */ color: oklch(44.6% 0.124 256.6);

Tailwind

colors: {
  custom: {
    50: '#6e82b6',
    500: '#1f5397',
    950: '#000000',
  },
}

SCSS

$custom: #1f5397;
$custom-light: #6e82b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5397",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 151
  },
  "hsl": {
    "h": 214,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44557,
    "c": 0.12419,
    "h": 256.6
  },
  "luminance": 0.08712
}

Semantic roles & 50–950 ramp

primary

#1F5397

secondary

#BF9052

accent

#9F3FE9

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F5397

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

Preview Lab → · Contrast checker → · Palette generator →