#1F5A9E#1F5A9E

#1F5A9E is a mid, vivid cyan. Relative luminance 0.101; OKLCH L 46.7% C 0.126 H 254.6°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#1F5A9E
RGB	rgb(31, 90, 158)
HSL	hsl(212, 67%, 37%)
HSV	hsv(212, 80%, 62%)
CMYK	cmyk(80.4%, 43%, 0%, 38%)
CIE-LAB	lab(37.97, 6.45, -42.29)
CIE-LCH	lch(37.97, 42.77, 278.67°)
OKLab	oklab(46.68% -0.0334 -0.1211)
OKLCH	oklch(46.68% 0.126 254.6)
XYZ	xyz(10.3905, 10.0710, 33.7374)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5A9E #9E631F

analogous

#1F9A9E #1F5A9E #231F9E

triadic

#1F5A9E #9E1F5A #5A9E1F

tetradic

#1F5A9E #9E1F9A #9E631F #1F9E23

square

#1F5A9E #9E1F9A #9E631F #1F9E23

split-complementary

#1F5A9E #9E231F #9A9E1F

monochromatic

#0B2038 #153D6B #1F5A9E #2977D1 #5997DE

Accessibility & contrast

On white

6.97

#1F5A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1F5A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5A9E

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5A9E	#FFFFFF	#000000	##FFFFFF
##1F5A9E	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3860A1

Deuteranopia (green-blind)

#21549D

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1f5a9e;
/* rgb */ color: rgb(31, 90, 158);
/* oklch */ color: oklch(46.7% 0.126 254.6);

Tailwind

colors: {
  custom: {
    50: '#6f88bb',
    500: '#1f5a9e',
    950: '#000000',
  },
}

SCSS

$custom: #1f5a9e;
$custom-light: #6f88bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5a9e",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 158
  },
  "hsl": {
    "h": 212.126,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46675,
    "c": 0.12558,
    "h": 254.6
  },
  "luminance": 0.10072
}

Semantic roles & 50–950 ramp

primary

#1F5A9E

secondary

#C29056

accent

#9A3EEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5A9E

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

Preview Lab → · Contrast checker → · Palette generator →