#1F65A8#1F65A8

#1F65A8 is a mid, vivid cyan. Relative luminance 0.124; OKLCH L 49.9% C 0.127 H 251.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#1F65A8
RGB	rgb(31, 101, 168)
HSL	hsl(209, 69%, 39%)
HSV	hsv(209, 82%, 66%)
CMYK	cmyk(81.5%, 39.9%, 0%, 34.1%)
CIE-LAB	lab(41.88, 3.30, -41.98)
CIE-LCH	lch(41.88, 42.11, 274.50°)
OKLab	oklab(49.92% -0.0406 -0.1199)
OKLCH	oklch(49.92% 0.127 251.3)
XYZ	xyz(12.2840, 12.4243, 38.7889)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F65A8 #A8621F

analogous

#1FA8A7 #1F65A8 #1F21A8

triadic

#1F65A8 #A81F65 #65A81F

tetradic

#1F65A8 #A71FA8 #A8621F #21A81F

square

#1F65A8 #A71FA8 #A8621F #21A81F

split-complementary

#1F65A8 #A81F21 #A8A71F

monochromatic

#0C2741 #154674 #1F65A8 #2C84D8 #60A2E2

Accessibility & contrast

On white

6.03

#1F65A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#1F65A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F65A8

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F65A8	#FFFFFF	#000000	##FFFFFF
##1F65A8	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456AAB

Deuteranopia (green-blind)

#2E5DA7

Tritanopia (blue-blind)

#00757E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1f65a8;
/* rgb */ color: rgb(31, 101, 168);
/* oklch */ color: oklch(49.9% 0.127 251.3);

Tailwind

colors: {
  custom: {
    50: '#7190c2',
    500: '#1f65a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f65a8;
$custom-light: #7190c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f65a8",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 168
  },
  "hsl": {
    "h": 209.343,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4992,
    "c": 0.12663,
    "h": 251.3
  },
  "luminance": 0.12426
}

Semantic roles & 50–950 ramp

primary

#1F65A8

secondary

#C6905D

accent

#923CEC

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F65A8

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

Preview Lab → · Contrast checker → · Palette generator →