#5F91BB#5F91BB

#5F91BB is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.8% C 0.083 H 245.0°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#5F91BB
RGB	rgb(95, 145, 187)
HSL	hsl(207, 40%, 55%)
HSV	hsv(207, 49%, 73%)
CMYK	cmyk(49.2%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(58.29, -5.03, -27.05)
CIE-LCH	lch(58.29, 27.51, 259.47°)
OKLab	oklab(63.81% -0.0352 -0.0754)
OKLCH	oklch(63.81% 0.083 245)
XYZ	xyz(23.8112, 26.2698, 50.8199)
Luminance	0.2627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F91BB #BB895F

analogous

#5FBBB7 #5F91BB #5F63BB

triadic

#5F91BB #BB5F91 #91BB5F

tetradic

#5F91BB #B75FBB #BB895F #63BB5F

square

#5F91BB #B75FBB #BB895F #63BB5F

split-complementary

#5F91BB #BB5F63 #BBB75F

monochromatic

#305370 #42729B #5F91BB #8AAFCD #B5CCE0

Accessibility & contrast

On white

3.36

#5F91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#5F91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F91BB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F91BB	#FFFFFF	#000000	##000000
##5F91BB	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F91BD

Deuteranopia (green-blind)

#7388BA

Tritanopia (blue-blind)

#339B9F

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5f91bb;
/* rgb */ color: rgb(95, 145, 187);
/* oklch */ color: oklch(63.8% 0.083 245.0);

Tailwind

colors: {
  custom: {
    50: '#91b1cf',
    500: '#5f91bb',
    950: '#000000',
  },
}

SCSS

$custom: #5f91bb;
$custom-light: #91b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5f91bb",
  "rgb": {
    "r": 95,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 207.391,
    "s": 40.351,
    "l": 55.294
  },
  "oklch": {
    "l": 0.63808,
    "c": 0.08321,
    "h": 245
  },
  "luminance": 0.26272
}

Semantic roles & 50–950 ramp

primary

#5F91BB

secondary

#CEB9A8

accent

#8F58D0

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #5F91BB

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

Preview Lab → · Contrast checker → · Palette generator →