#255F9C#255F9C

#255F9C is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.9% C 0.115 H 252.4°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#255F9C
RGB	rgb(37, 95, 156)
HSL	hsl(211, 62%, 38%)
HSV	hsv(211, 76%, 61%)
CMYK	cmyk(76.3%, 39.1%, 0%, 38.8%)
CIE-LAB	lab(39.54, 3.17, -38.57)
CIE-LCH	lch(39.54, 38.70, 274.71°)
OKLab	oklab(47.91% -0.0348 -0.11)
OKLCH	oklch(47.91% 0.115 252.4)
XYZ	xyz(10.8537, 10.9768, 32.9928)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F9C #9C6225

analogous

#259B9C #255F9C #26259C

triadic

#255F9C #9C255F #5F9C25

tetradic

#255F9C #9C259B #9C6225 #259C26

square

#255F9C #9C259B #9C6225 #259C26

split-complementary

#255F9C #9C2625 #9B9C25

monochromatic

#0E2339 #19416B #255F9C #317DCD #629CDA

Accessibility & contrast

On white

6.57

#255F9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#255F9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F9C

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F9C	#FFFFFF	#000000	##FFFFFF
##255F9C	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42639E

Deuteranopia (green-blind)

#30589B

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255f9c;
/* rgb */ color: rgb(37, 95, 156);
/* oklch */ color: oklch(47.9% 0.115 252.4);

Tailwind

colors: {
  custom: {
    50: '#718cb9',
    500: '#255f9c',
    950: '#000000',
  },
}

SCSS

$custom: #255f9c;
$custom-light: #718cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#255f9c",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 156
  },
  "hsl": {
    "h": 210.756,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47912,
    "c": 0.11537,
    "h": 252.4
  },
  "luminance": 0.10978
}

Semantic roles & 50–950 ramp

primary

#255F9C

secondary

#BF905E

accent

#9643E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #255F9C

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

Preview Lab → · Contrast checker → · Palette generator →