#255E9C#255E9C

#255E9C is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.116 H 253.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#255E9C
RGB	rgb(37, 94, 156)
HSL	hsl(211, 62%, 38%)
HSV	hsv(211, 76%, 61%)
CMYK	cmyk(76.3%, 39.7%, 0%, 38.8%)
CIE-LAB	lab(39.24, 3.81, -39.05)
CIE-LCH	lch(39.24, 39.24, 275.58°)
OKLab	oklab(47.68% -0.0339 -0.1114)
OKLCH	oklch(47.68% 0.116 253.1)
XYZ	xyz(10.7642, 10.7978, 32.9629)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E9C #9C6325

analogous

#25999C #255E9C #28259C

triadic

#255E9C #9C255E #5E9C25

tetradic

#255E9C #9C2599 #9C6325 #259C28

square

#255E9C #9C2599 #9C6325 #259C28

split-complementary

#255E9C #9C2825 #999C25

monochromatic

#0E2239 #19406B #255E9C #317CCD #629BDA

Accessibility & contrast

On white

6.65

#255E9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#255E9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E9C

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E9C	#FFFFFF	#000000	##FFFFFF
##255E9C	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41629E

Deuteranopia (green-blind)

#2E579B

Tritanopia (blue-blind)

#006D75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255e9c;
/* rgb */ color: rgb(37, 94, 156);
/* oklch */ color: oklch(47.7% 0.116 253.1);

Tailwind

colors: {
  custom: {
    50: '#718bb9',
    500: '#255e9c',
    950: '#000000',
  },
}

SCSS

$custom: #255e9c;
$custom-light: #718bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#255e9c",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 156
  },
  "hsl": {
    "h": 211.261,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47675,
    "c": 0.11646,
    "h": 253.1
  },
  "luminance": 0.10799
}

Semantic roles & 50–950 ramp

primary

#255E9C

secondary

#BF905E

accent

#9743E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255E9C

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

Preview Lab → · Contrast checker → · Palette generator →