#255D9A#255D9A

#255D9A is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.3% C 0.115 H 253.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#255D9A
RGB	rgb(37, 93, 154)
HSL	hsl(211, 61%, 37%)
HSV	hsv(211, 76%, 60%)
CMYK	cmyk(76%, 39.6%, 0%, 39.6%)
CIE-LAB	lab(38.82, 3.69, -38.52)
CIE-LCH	lch(38.82, 38.70, 275.46°)
OKLab	oklab(47.31% -0.0334 -0.1099)
OKLCH	oklch(47.31% 0.115 253.1)
XYZ	xyz(10.5079, 10.5539, 32.0489)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D9A #9A6225

analogous

#25989A #255D9A #27259A

triadic

#255D9A #9A255D #5D9A25

tetradic

#255D9A #9A2598 #9A6225 #259A27

square

#255D9A #9A2598 #9A6225 #259A27

split-complementary

#255D9A #9A2725 #989A25

monochromatic

#0D2137 #193F69 #255D9A #317BCB #609AD9

Accessibility & contrast

On white

6.75

#255D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#255D9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D9A

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D9A	#FFFFFF	#000000	##FFFFFF
##255D9A	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40619C

Deuteranopia (green-blind)

#2E5699

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255d9a;
/* rgb */ color: rgb(37, 93, 154);
/* oklch */ color: oklch(47.3% 0.115 253.1);

Tailwind

colors: {
  custom: {
    50: '#708ab8',
    500: '#255d9a',
    950: '#000000',
  },
}

SCSS

$custom: #255d9a;
$custom-light: #708ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#255d9a",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 154
  },
  "hsl": {
    "h": 211.282,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4731,
    "c": 0.11487,
    "h": 253.1
  },
  "luminance": 0.10555
}

Semantic roles & 50–950 ramp

primary

#255D9A

secondary

#BE8F5D

accent

#9743E4

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255D9A

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

Preview Lab → · Contrast checker → · Palette generator →