#1F5AAB#1F5AAB

#1F5AAB is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.6% C 0.143 H 257.6°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F5AAB
RGB	rgb(31, 90, 171)
HSL	hsl(215, 69%, 40%)
HSV	hsv(215, 82%, 67%)
CMYK	cmyk(81.9%, 47.4%, 0%, 32.9%)
CIE-LAB	lab(38.80, 11.59, -48.69)
CIE-LCH	lch(38.80, 50.05, 283.39°)
OKLab	oklab(47.59% -0.0308 -0.1399)
OKLCH	oklch(47.59% 0.143 257.6)
XYZ	xyz(11.5692, 10.5425, 39.9453)
Luminance	0.1054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5AAB #AB701F

analogous

#1FA0AB #1F5AAB #2A1FAB

triadic

#1F5AAB #AB1F5A #5AAB1F

tetradic

#1F5AAB #AB1FA0 #AB701F #1FAB2A

square

#1F5AAB #AB1FA0 #AB701F #1FAB2A

split-complementary

#1F5AAB #AB2A1F #A0AB1F

monochromatic

#0C2343 #163F77 #1F5AAB #2E76D9 #6298E3

Accessibility & contrast

On white

6.76

#1F5AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1F5AAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5AAB

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5AAB	#FFFFFF	#000000	##FFFFFF
##1F5AAB	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D62AE

Deuteranopia (green-blind)

#0155A9

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f5aab;
/* rgb */ color: rgb(31, 90, 171);
/* oklch */ color: oklch(47.6% 0.143 257.6);

Tailwind

colors: {
  custom: {
    50: '#7288c4',
    500: '#1f5aab',
    950: '#000000',
  },
}

SCSS

$custom: #1f5aab;
$custom-light: #7288c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5aab",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 171
  },
  "hsl": {
    "h": 214.714,
    "s": 69.307,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47585,
    "c": 0.14326,
    "h": 257.6
  },
  "luminance": 0.10544
}

Semantic roles & 50–950 ramp

primary

#1F5AAB

secondary

#C79B5E

accent

#A23CEC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5AAB

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

Preview Lab → · Contrast checker → · Palette generator →