#255A9A#255A9A

#255A9A is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.6% C 0.118 H 255.0°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#255A9A
RGB	rgb(37, 90, 154)
HSL	hsl(213, 61%, 37%)
HSV	hsv(213, 76%, 60%)
CMYK	cmyk(76%, 41.6%, 0%, 39.6%)
CIE-LAB	lab(37.91, 5.62, -39.97)
CIE-LCH	lch(37.91, 40.37, 278.00°)
OKLab	oklab(46.6% -0.0306 -0.1142)
OKLCH	oklch(46.6% 0.118 255)
XYZ	xyz(10.2497, 10.0376, 31.9628)
Luminance	0.1004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A9A #9A6525

analogous

#25949A #255A9A #2B259A

triadic

#255A9A #9A255A #5A9A25

tetradic

#255A9A #9A2594 #9A6525 #259A2B

square

#255A9A #9A2594 #9A6525 #259A2B

split-complementary

#255A9A #9A2B25 #949A25

monochromatic

#0D2037 #193D69 #255A9A #3177CB #6097D9

Accessibility & contrast

On white

6.98

#255A9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#255A9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255A9A

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A9A	#FFFFFF	#000000	##FFFFFF
##255A9A	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5F9D

Deuteranopia (green-blind)

#285499

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255a9a;
/* rgb */ color: rgb(37, 90, 154);
/* oklch */ color: oklch(46.6% 0.118 255.0);

Tailwind

colors: {
  custom: {
    50: '#7088b8',
    500: '#255a9a',
    950: '#000000',
  },
}

SCSS

$custom: #255a9a;
$custom-light: #7088b8;
$custom-dark: #000000;

JSON

{
  "hex": "#255a9a",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 154
  },
  "hsl": {
    "h": 212.821,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46602,
    "c": 0.11823,
    "h": 255
  },
  "luminance": 0.10039
}

Semantic roles & 50–950 ramp

primary

#255A9A

secondary

#BE925D

accent

#9B43E4

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255A9A

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

Preview Lab → · Contrast checker → · Palette generator →