#255AA1#255AA1

#255AA1 is a mid, vivid cyan. Relative luminance 0.103; OKLCH L 47.1% C 0.128 H 256.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#255AA1
RGB	rgb(37, 90, 161)
HSL	hsl(214, 63%, 39%)
HSV	hsv(214, 77%, 63%)
CMYK	cmyk(77%, 44.1%, 0%, 36.9%)
CIE-LAB	lab(38.34, 8.34, -43.48)
CIE-LCH	lch(38.34, 44.27, 280.86°)
OKLab	oklab(47.07% -0.0291 -0.1245)
OKLCH	oklch(47.07% 0.128 256.8)
XYZ	xyz(10.8498, 10.2776, 35.1233)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255AA1 #A16C25

analogous

#2598A1 #255AA1 #2E25A1

triadic

#255AA1 #A1255A #5AA125

tetradic

#255AA1 #A12598 #A16C25 #25A12E

square

#255AA1 #A12598 #A16C25 #25A12E

split-complementary

#255AA1 #A12E25 #98A125

monochromatic

#0E223D #1A3E6F #255AA1 #3376D0 #6598DC

Accessibility & contrast

On white

6.87

#255AA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#255AA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255AA1

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255AA1	#FFFFFF	#000000	##FFFFFF
##255AA1	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3660A4

Deuteranopia (green-blind)

#1F55A0

Tritanopia (blue-blind)

#006B75

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255aa1;
/* rgb */ color: rgb(37, 90, 161);
/* oklch */ color: oklch(47.1% 0.128 256.8);

Tailwind

colors: {
  custom: {
    50: '#7288bd',
    500: '#255aa1',
    950: '#000000',
  },
}

SCSS

$custom: #255aa1;
$custom-light: #7288bd;
$custom-dark: #000000;

JSON

{
  "hex": "#255aa1",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 161
  },
  "hsl": {
    "h": 214.355,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47071,
    "c": 0.12785,
    "h": 256.8
  },
  "luminance": 0.10279
}

Semantic roles & 50–950 ramp

primary

#255AA1

secondary

#C19861

accent

#A042E6

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255AA1

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

Preview Lab → · Contrast checker → · Palette generator →