#1F64AA#1F64AA

#1F64AA is a mid, vivid cyan. Relative luminance 0.123; OKLCH L 49.8% C 0.130 H 252.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F64AA
RGB	rgb(31, 100, 170)
HSL	hsl(210, 69%, 39%)
HSV	hsv(210, 82%, 67%)
CMYK	cmyk(81.8%, 41.2%, 0%, 33.3%)
CIE-LAB	lab(41.70, 4.72, -43.45)
CIE-LCH	lch(41.70, 43.71, 276.20°)
OKLab	oklab(49.81% -0.0392 -0.1243)
OKLCH	oklch(49.81% 0.13 252.5)
XYZ	xyz(12.3752, 12.3064, 39.7456)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F64AA #AA651F

analogous

#1FAAAA #1F64AA #201FAA

triadic

#1F64AA #AA1F64 #64AA1F

tetradic

#1F64AA #AA1FAA #AA651F #1FAA20

square

#1F64AA #AA1FAA #AA651F #1FAA20

split-complementary

#1F64AA #AA201F #AAAA1F

monochromatic

#0C2742 #164676 #1F64AA #2D82D9 #61A1E2

Accessibility & contrast

On white

6.07

#1F64AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#1F64AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F64AA

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F64AA	#FFFFFF	#000000	##FFFFFF
##1F64AA	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4269AD

Deuteranopia (green-blind)

#2A5DA9

Tritanopia (blue-blind)

#00757E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #1f64aa;
/* rgb */ color: rgb(31, 100, 170);
/* oklch */ color: oklch(49.8% 0.130 252.5);

Tailwind

colors: {
  custom: {
    50: '#728fc4',
    500: '#1f64aa',
    950: '#000000',
  },
}

SCSS

$custom: #1f64aa;
$custom-light: #728fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f64aa",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 170
  },
  "hsl": {
    "h": 210.216,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49814,
    "c": 0.13033,
    "h": 252.5
  },
  "luminance": 0.12308
}

Semantic roles & 50–950 ramp

primary

#1F64AA

secondary

#C7935E

accent

#953CEC

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F64AA

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

Preview Lab → · Contrast checker → · Palette generator →