#255E9D#255E9D

#255E9D is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.118 H 253.4°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#255E9D
RGB	rgb(37, 94, 157)
HSL	hsl(212, 62%, 38%)
HSV	hsv(212, 76%, 62%)
CMYK	cmyk(76.4%, 40.1%, 0%, 38.4%)
CIE-LAB	lab(39.30, 4.20, -39.56)
CIE-LCH	lch(39.30, 39.78, 276.06°)
OKLab	oklab(47.74% -0.0336 -0.1129)
OKLCH	oklch(47.74% 0.118 253.4)
XYZ	xyz(10.8492, 10.8318, 33.4107)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E9D #9D6425

analogous

#259A9D #255E9D #28259D

triadic

#255E9D #9D255E #5E9D25

tetradic

#255E9D #9D259A #9D6425 #259D28

square

#255E9D #9D259A #9D6425 #259D28

split-complementary

#255E9D #9D2825 #9A9D25

monochromatic

#0E233A #19406B #255E9D #317CCE #629BDA

Accessibility & contrast

On white

6.63

#255E9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#255E9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E9D

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E9D	#FFFFFF	#000000	##FFFFFF
##255E9D	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4063A0

Deuteranopia (green-blind)

#2D579C

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255e9d;
/* rgb */ color: rgb(37, 94, 157);
/* oklch */ color: oklch(47.7% 0.118 253.4);

Tailwind

colors: {
  custom: {
    50: '#718bba',
    500: '#255e9d',
    950: '#000000',
  },
}

SCSS

$custom: #255e9d;
$custom-light: #718bba;
$custom-dark: #000000;

JSON

{
  "hex": "#255e9d",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 157
  },
  "hsl": {
    "h": 211.5,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47739,
    "c": 0.11781,
    "h": 253.4
  },
  "luminance": 0.10833
}

Semantic roles & 50–950 ramp

primary

#255E9D

secondary

#BF915E

accent

#9843E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255E9D

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

Preview Lab → · Contrast checker → · Palette generator →