#1F65AA#1F65AA

#1F65AA is a mid, vivid cyan. Relative luminance 0.125; OKLCH L 50.0% C 0.129 H 251.9°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#1F65AA
RGB	rgb(31, 101, 170)
HSL	hsl(210, 69%, 39%)
HSV	hsv(210, 82%, 67%)
CMYK	cmyk(81.8%, 40.6%, 0%, 33.3%)
CIE-LAB	lab(42.00, 4.08, -42.98)
CIE-LCH	lch(42.00, 43.17, 275.42°)
OKLab	oklab(50.05% -0.0401 -0.1229)
OKLCH	oklch(50.05% 0.129 251.9)
XYZ	xyz(12.4717, 12.4994, 39.7777)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F65AA #AA641F

analogous

#1FAAAA #1F65AA #1F20AA

triadic

#1F65AA #AA1F65 #65AA1F

tetradic

#1F65AA #AA1FAA #AA641F #20AA1F

square

#1F65AA #AA1FAA #AA641F #20AA1F

split-complementary

#1F65AA #AA1F20 #AAAA1F

monochromatic

#0C2742 #164676 #1F65AA #2D84D9 #61A2E2

Accessibility & contrast

On white

6.00

#1F65AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#1F65AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F65AA

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F65AA	#FFFFFF	#000000	##FFFFFF
##1F65AA	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436AAD

Deuteranopia (green-blind)

#2C5DA9

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1f65aa;
/* rgb */ color: rgb(31, 101, 170);
/* oklch */ color: oklch(50.0% 0.129 251.9);

Tailwind

colors: {
  custom: {
    50: '#7290c4',
    500: '#1f65aa',
    950: '#000000',
  },
}

SCSS

$custom: #1f65aa;
$custom-light: #7290c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f65aa",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 170
  },
  "hsl": {
    "h": 209.784,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50048,
    "c": 0.12924,
    "h": 251.9
  },
  "luminance": 0.12501
}

Semantic roles & 50–950 ramp

primary

#1F65AA

secondary

#C7925E

accent

#933CEC

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F65AA

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

Preview Lab → · Contrast checker → · Palette generator →