#1F5FAE#1F5FAE

#1F5FAE is a mid, vivid cyan. Relative luminance 0.115; OKLCH L 48.9% C 0.141 H 256.0°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F5FAE
RGB	rgb(31, 95, 174)
HSL	hsl(213, 70%, 40%)
HSV	hsv(213, 82%, 68%)
CMYK	cmyk(82.2%, 45.4%, 0%, 31.8%)
CIE-LAB	lab(40.46, 9.51, -47.80)
CIE-LCH	lch(40.46, 48.73, 281.25°)
OKLab	oklab(48.93% -0.0342 -0.1372)
OKLCH	oklch(48.93% 0.141 256)
XYZ	xyz(12.2944, 11.5302, 41.6138)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5FAE #AE6E1F

analogous

#1FA6AE #1F5FAE #271FAE

triadic

#1F5FAE #AE1F5F #5FAE1F

tetradic

#1F5FAE #AE1FA6 #AE6E1F #1FAE27

square

#1F5FAE #AE1FA6 #AE6E1F #1FAE27

split-complementary

#1F5FAE #AE271F #A6AE1F

monochromatic

#0C2646 #16437A #1F5FAE #307CDA #649DE3

Accessibility & contrast

On white

6.35

#1F5FAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#1F5FAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5FAE

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5FAE	#FFFFFF	#000000	##FFFFFF
##1F5FAE	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3566B1

Deuteranopia (green-blind)

#1459AC

Tritanopia (blue-blind)

#00727E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1f5fae;
/* rgb */ color: rgb(31, 95, 174);
/* oklch */ color: oklch(48.9% 0.141 256.0);

Tailwind

colors: {
  custom: {
    50: '#738bc7',
    500: '#1f5fae',
    950: '#000000',
  },
}

SCSS

$custom: #1f5fae;
$custom-light: #738bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5fae",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 174
  },
  "hsl": {
    "h": 213.147,
    "s": 69.756,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4893,
    "c": 0.14136,
    "h": 256
  },
  "luminance": 0.11532
}

Semantic roles & 50–950 ramp

primary

#1F5FAE

secondary

#C89A60

accent

#9D3BED

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #1F5FAE

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

Preview Lab → · Contrast checker → · Palette generator →