#255C9B#255C9B

#255C9B is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 47.1% C 0.117 H 254.0°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#255C9B
RGB	rgb(37, 92, 155)
HSL	hsl(212, 61%, 38%)
HSV	hsv(212, 76%, 61%)
CMYK	cmyk(76.1%, 40.6%, 0%, 39.2%)
CIE-LAB	lab(38.57, 4.71, -39.51)
CIE-LCH	lch(38.57, 39.79, 276.80°)
OKLab	oklab(47.14% -0.0323 -0.1128)
OKLCH	oklch(47.14% 0.117 254)
XYZ	xyz(10.5043, 10.4130, 32.4603)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C9B #9B6425

analogous

#25979B #255C9B #29259B

triadic

#255C9B #9B255C #5C9B25

tetradic

#255C9B #9B2597 #9B6425 #259B29

square

#255C9B #9B2597 #9B6425 #259B29

split-complementary

#255C9B #9B2925 #979B25

monochromatic

#0D2138 #193F6A #255C9B #3179CC #6199D9

Accessibility & contrast

On white

6.81

#255C9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#255C9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255C9B

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C9B	#FFFFFF	#000000	##FFFFFF
##255C9B	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E619E

Deuteranopia (green-blind)

#2B569A

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255c9b;
/* rgb */ color: rgb(37, 92, 155);
/* oklch */ color: oklch(47.1% 0.117 254.0);

Tailwind

colors: {
  custom: {
    50: '#7089b9',
    500: '#255c9b',
    950: '#000000',
  },
}

SCSS

$custom: #255c9b;
$custom-light: #7089b9;
$custom-dark: #000000;

JSON

{
  "hex": "#255c9b",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 155
  },
  "hsl": {
    "h": 212.034,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.47138,
    "c": 0.11733,
    "h": 254
  },
  "luminance": 0.10414
}

Semantic roles & 50–950 ramp

primary

#255C9B

secondary

#BF915D

accent

#9943E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255C9B

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

Preview Lab → · Contrast checker → · Palette generator →