#1F5EAA#1F5EAA

#1F5EAA is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.4% C 0.137 H 255.6°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#1F5EAA
RGB	rgb(31, 94, 170)
HSL	hsl(213, 69%, 39%)
HSV	hsv(213, 82%, 67%)
CMYK	cmyk(81.8%, 44.7%, 0%, 33.3%)
CIE-LAB	lab(39.91, 8.58, -46.31)
CIE-LCH	lch(39.91, 47.10, 280.50°)
OKLab	oklab(48.42% -0.0342 -0.1328)
OKLCH	oklch(48.42% 0.137 255.6)
XYZ	xyz(11.8208, 11.1976, 39.5607)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5EAA #AA6B1F

analogous

#1FA4AA #1F5EAA #261FAA

triadic

#1F5EAA #AA1F5E #5EAA1F

tetradic

#1F5EAA #AA1FA4 #AA6B1F #1FAA26

square

#1F5EAA #AA1FA4 #AA6B1F #1FAA26

split-complementary

#1F5EAA #AA261F #A4AA1F

monochromatic

#0C2542 #164176 #1F5EAA #2D7BD9 #619CE2

Accessibility & contrast

On white

6.48

#1F5EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#1F5EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5EAA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5EAA	#FFFFFF	#000000	##FFFFFF
##1F5EAA	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AD

Deuteranopia (green-blind)

#1958A8

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1f5eaa;
/* rgb */ color: rgb(31, 94, 170);
/* oklch */ color: oklch(48.4% 0.137 255.6);

Tailwind

colors: {
  custom: {
    50: '#728bc4',
    500: '#1f5eaa',
    950: '#000000',
  },
}

SCSS

$custom: #1f5eaa;
$custom-light: #728bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5eaa",
  "rgb": {
    "r": 31,
    "g": 94,
    "b": 170
  },
  "hsl": {
    "h": 212.806,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48424,
    "c": 0.13715,
    "h": 255.6
  },
  "luminance": 0.11199
}

Semantic roles & 50–950 ramp

primary

#1F5EAA

secondary

#C7975E

accent

#9C3CEC

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5EAA

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

Preview Lab → · Contrast checker → · Palette generator →