#1F5AAC#1F5AAC

#1F5AAC is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.7% C 0.145 H 257.8°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#1F5AAC
RGB	rgb(31, 90, 172)
HSL	hsl(215, 69%, 40%)
HSV	hsv(215, 82%, 67%)
CMYK	cmyk(82%, 47.7%, 0%, 32.5%)
CIE-LAB	lab(38.87, 11.99, -49.18)
CIE-LCH	lch(38.87, 50.62, 283.70°)
OKLab	oklab(47.66% -0.0306 -0.1413)
OKLCH	oklch(47.66% 0.145 257.8)
XYZ	xyz(11.6649, 10.5808, 40.4492)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5AAC #AC711F

analogous

#1FA0AC #1F5AAC #2B1FAC

triadic

#1F5AAC #AC1F5A #5AAC1F

tetradic

#1F5AAC #AC1FA0 #AC711F #1FAC2B

square

#1F5AAC #AC1FA0 #AC711F #1FAC2B

split-complementary

#1F5AAC #AC2B1F #A0AC1F

monochromatic

#0C2444 #163F78 #1F5AAC #2F76D9 #6398E3

Accessibility & contrast

On white

6.74

#1F5AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#1F5AAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5AAC

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5AAC	#FFFFFF	#000000	##FFFFFF
##1F5AAC	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C62AF

Deuteranopia (green-blind)

#0056AA

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f5aac;
/* rgb */ color: rgb(31, 90, 172);
/* oklch */ color: oklch(47.7% 0.145 257.8);

Tailwind

colors: {
  custom: {
    50: '#7388c5',
    500: '#1f5aac',
    950: '#000000',
  },
}

SCSS

$custom: #1f5aac;
$custom-light: #7388c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5aac",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 172
  },
  "hsl": {
    "h": 214.894,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47657,
    "c": 0.14461,
    "h": 257.8
  },
  "luminance": 0.10582
}

Semantic roles & 50–950 ramp

primary

#1F5AAC

secondary

#C89C5F

accent

#A23CEC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1F5AAC

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

Preview Lab → · Contrast checker → · Palette generator →