#1F5DAD#1F5DAD

#1F5DAD is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.4% C 0.142 H 256.7°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F5DAD
RGB	rgb(31, 93, 173)
HSL	hsl(214, 70%, 40%)
HSV	hsv(214, 82%, 68%)
CMYK	cmyk(82.1%, 46.2%, 0%, 32.2%)
CIE-LAB	lab(39.81, 10.42, -48.25)
CIE-LCH	lch(39.81, 49.36, 282.18°)
OKLab	oklab(48.41% -0.0328 -0.1385)
OKLCH	oklch(48.41% 0.142 256.7)
XYZ	xyz(12.0195, 11.1357, 41.0430)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5DAD #AD6F1F

analogous

#1FA4AD #1F5DAD #281FAD

triadic

#1F5DAD #AD1F5D #5DAD1F

tetradic

#1F5DAD #AD1FA4 #AD6F1F #1FAD28

square

#1F5DAD #AD1FA4 #AD6F1F #1FAD28

split-complementary

#1F5DAD #AD281F #A4AD1F

monochromatic

#0C2545 #164179 #1F5DAD #2F7ADA #639BE3

Accessibility & contrast

On white

6.51

#1F5DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1F5DAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5DAD

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5DAD	#FFFFFF	#000000	##FFFFFF
##1F5DAD	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3265B0

Deuteranopia (green-blind)

#0D58AB

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1f5dad;
/* rgb */ color: rgb(31, 93, 173);
/* oklch */ color: oklch(48.4% 0.142 256.7);

Tailwind

colors: {
  custom: {
    50: '#738ac6',
    500: '#1f5dad',
    950: '#000000',
  },
}

SCSS

$custom: #1f5dad;
$custom-light: #738ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5dad",
  "rgb": {
    "r": 31,
    "g": 93,
    "b": 173
  },
  "hsl": {
    "h": 213.803,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.48405,
    "c": 0.14238,
    "h": 256.7
  },
  "luminance": 0.11137
}

Semantic roles & 50–950 ramp

primary

#1F5DAD

secondary

#C89B60

accent

#9F3BEC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5DAD

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

Preview Lab → · Contrast checker → · Palette generator →