#255B9A#255B9A

#255B9A is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.8% C 0.117 H 254.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#255B9A
RGB	rgb(37, 91, 154)
HSL	hsl(212, 61%, 37%)
HSV	hsv(212, 76%, 60%)
CMYK	cmyk(76%, 40.9%, 0%, 39.6%)
CIE-LAB	lab(38.21, 4.97, -39.49)
CIE-LCH	lch(38.21, 39.80, 277.18°)
OKLab	oklab(46.84% -0.0316 -0.1128)
OKLCH	oklch(46.84% 0.117 254.4)
XYZ	xyz(10.3346, 10.2074, 31.9911)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B9A #9A6425

analogous

#25959A #255B9A #2A259A

triadic

#255B9A #9A255B #5B9A25

tetradic

#255B9A #9A2595 #9A6425 #259A2A

square

#255B9A #9A2595 #9A6425 #259A2A

split-complementary

#255B9A #9A2A25 #959A25

monochromatic

#0D2137 #193E69 #255B9A #3178CB #6098D9

Accessibility & contrast

On white

6.90

#255B9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#255B9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255B9A

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B9A	#FFFFFF	#000000	##FFFFFF
##255B9A	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D609D

Deuteranopia (green-blind)

#2A5599

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255b9a;
/* rgb */ color: rgb(37, 91, 154);
/* oklch */ color: oklch(46.8% 0.117 254.4);

Tailwind

colors: {
  custom: {
    50: '#7088b8',
    500: '#255b9a',
    950: '#000000',
  },
}

SCSS

$custom: #255b9a;
$custom-light: #7088b8;
$custom-dark: #000000;

JSON

{
  "hex": "#255b9a",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 154
  },
  "hsl": {
    "h": 212.308,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46837,
    "c": 0.11709,
    "h": 254.4
  },
  "luminance": 0.10209
}

Semantic roles & 50–950 ramp

primary

#255B9A

secondary

#BE915D

accent

#9A43E4

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255B9A

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

Preview Lab → · Contrast checker → · Palette generator →