#255DA8#255DA8

#255DA8 is a mid, vivid cyan. Relative luminance 0.110; OKLCH L 48.2% C 0.134 H 256.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#255DA8
RGB	rgb(37, 93, 168)
HSL	hsl(214, 64%, 40%)
HSV	hsv(214, 78%, 66%)
CMYK	cmyk(78%, 44.6%, 0%, 34.1%)
CIE-LAB	lab(39.66, 9.11, -45.52)
CIE-LCH	lch(39.66, 46.43, 281.32°)
OKLab	oklab(48.24% -0.0303 -0.1304)
OKLCH	oklch(48.24% 0.134 256.9)
XYZ	xyz(11.7426, 11.0478, 38.5518)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DA8 #A87025

analogous

#259EA8 #255DA8 #2E25A8

triadic

#255DA8 #A8255D #5DA825

tetradic

#255DA8 #A8259E #A87025 #25A82E

square

#255DA8 #A8259E #A87025 #25A82E

split-complementary

#255DA8 #A82E25 #9EA825

monochromatic

#0F2544 #1A4176 #255DA8 #377AD3 #699BDE

Accessibility & contrast

On white

6.54

#255DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#255DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DA8

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DA8	#FFFFFF	#000000	##FFFFFF
##255DA8	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3764AB

Deuteranopia (green-blind)

#1C58A6

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255da8;
/* rgb */ color: rgb(37, 93, 168);
/* oklch */ color: oklch(48.2% 0.134 256.9);

Tailwind

colors: {
  custom: {
    50: '#738ac2',
    500: '#255da8',
    950: '#000000',
  },
}

SCSS

$custom: #255da8;
$custom-light: #738ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#255da8",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 168
  },
  "hsl": {
    "h": 214.351,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48238,
    "c": 0.13391,
    "h": 256.9
  },
  "luminance": 0.11049
}

Semantic roles & 50–950 ramp

primary

#255DA8

secondary

#C49B65

accent

#A041E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255DA8

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

Preview Lab → · Contrast checker → · Palette generator →