#1F61B3#1F61B3

#1F61B3 is a mid, vivid cyan. Relative luminance 0.121; OKLCH L 49.7% C 0.146 H 256.2°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F61B3
RGB	rgb(31, 97, 179)
HSL	hsl(213, 70%, 41%)
HSV	hsv(213, 83%, 70%)
CMYK	cmyk(82.7%, 45.8%, 0%, 29.8%)
CIE-LAB	lab(41.36, 10.18, -49.28)
CIE-LCH	lch(41.36, 50.32, 281.67°)
OKLab	oklab(49.73% -0.0348 -0.1415)
OKLCH	oklch(49.73% 0.146 256.2)
XYZ	xyz(12.9734, 12.0938, 44.2897)
Luminance	0.1210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F61B3 #B3711F

analogous

#1FABB3 #1F61B3 #271FB3

triadic

#1F61B3 #B31F61 #61B31F

tetradic

#1F61B3 #B31FAB #B3711F #1FB327

square

#1F61B3 #B31FAB #B3711F #1FB327

split-complementary

#1F61B3 #B3271F #ABB31F

monochromatic

#0D284B #16457F #1F61B3 #337FDC #689FE5

Accessibility & contrast

On white

6.14

#1F61B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#1F61B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F61B3

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F61B3	#FFFFFF	#000000	##FFFFFF
##1F61B3	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B6

Deuteranopia (green-blind)

#105BB1

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #1f61b3;
/* rgb */ color: rgb(31, 97, 179);
/* oklch */ color: oklch(49.7% 0.146 256.2);

Tailwind

colors: {
  custom: {
    50: '#748dca',
    500: '#1f61b3',
    950: '#000000',
  },
}

SCSS

$custom: #1f61b3;
$custom-light: #748dca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f61b3",
  "rgb": {
    "r": 31,
    "g": 97,
    "b": 179
  },
  "hsl": {
    "h": 213.243,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49733,
    "c": 0.14572,
    "h": 256.2
  },
  "luminance": 0.12095
}

Semantic roles & 50–950 ramp

primary

#1F61B3

secondary

#CA9C64

accent

#9E3BED

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1F61B3

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

Preview Lab → · Contrast checker → · Palette generator →