#255FAF#255FAF

#255FAF is a mid, vivid cyan. Relative luminance 0.117; OKLCH L 49.2% C 0.141 H 257.5°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#255FAF
RGB	rgb(37, 95, 175)
HSL	hsl(215, 65%, 42%)
HSV	hsv(215, 79%, 69%)
CMYK	cmyk(78.9%, 45.7%, 0%, 31.4%)
CIE-LAB	lab(40.69, 10.53, -48.01)
CIE-LCH	lch(40.69, 49.15, 282.37°)
OKLab	oklab(49.18% -0.0306 -0.1377)
OKLCH	oklch(49.18% 0.141 257.5)
XYZ	xyz(12.5902, 11.6714, 42.1384)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FAF #AF7525

analogous

#25A4AF #255FAF #3025AF

triadic

#255FAF #AF255F #5FAF25

tetradic

#255FAF #AF25A4 #AF7525 #25AF30

square

#255FAF #AF25A4 #AF7525 #25AF30

split-complementary

#255FAF #AF3025 #A4AF25

monochromatic

#10284A #1A447C #255FAF #3C7CD6 #6E9EE0

Accessibility & contrast

On white

6.30

#255FAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#255FAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FAF

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FAF	#FFFFFF	#000000	##FFFFFF
##255FAF	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B2

Deuteranopia (green-blind)

#155AAD

Tritanopia (blue-blind)

#00727E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #255faf;
/* rgb */ color: rgb(37, 95, 175);
/* oklch */ color: oklch(49.2% 0.141 257.5);

Tailwind

colors: {
  custom: {
    50: '#758bc7',
    500: '#255faf',
    950: '#000000',
  },
}

SCSS

$custom: #255faf;
$custom-light: #758bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#255faf",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 175
  },
  "hsl": {
    "h": 214.783,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49175,
    "c": 0.14108,
    "h": 257.5
  },
  "luminance": 0.11673
}

Semantic roles & 50–950 ramp

primary

#255FAF

secondary

#C79F69

accent

#A140E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #255FAF

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

Preview Lab → · Contrast checker → · Palette generator →