#255EAE#255EAE

#255EAE is a mid, vivid blue. Relative luminance 0.115; OKLCH L 48.9% C 0.141 H 257.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#255EAE
RGB	rgb(37, 94, 174)
HSL	hsl(215, 65%, 41%)
HSV	hsv(215, 79%, 68%)
CMYK	cmyk(78.7%, 46%, 0%, 31.8%)
CIE-LAB	lab(40.33, 10.79, -47.99)
CIE-LCH	lch(40.33, 49.19, 282.67°)
OKLab	oklab(48.88% -0.03 -0.1377)
OKLCH	oklch(48.88% 0.141 257.7)
XYZ	xyz(12.4028, 11.4533, 41.5932)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255EAE #AE7525

analogous

#25A3AE #255EAE #3025AE

triadic

#255EAE #AE255E #5EAE25

tetradic

#255EAE #AE25A3 #AE7525 #25AE30

square

#255EAE #AE25A3 #AE7525 #25AE30

split-complementary

#255EAE #AE3025 #A3AE25

monochromatic

#102749 #1A437C #255EAE #3B7BD5 #6D9DE0

Accessibility & contrast

On white

6.38

#255EAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#255EAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255EAE

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255EAE	#FFFFFF	#000000	##FFFFFF
##255EAE	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3466B1

Deuteranopia (green-blind)

#1359AC

Tritanopia (blue-blind)

#00717D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #255eae;
/* rgb */ color: rgb(37, 94, 174);
/* oklch */ color: oklch(48.9% 0.141 257.7);

Tailwind

colors: {
  custom: {
    50: '#758bc7',
    500: '#255eae',
    950: '#000000',
  },
}

SCSS

$custom: #255eae;
$custom-light: #758bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#255eae",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 174
  },
  "hsl": {
    "h": 215.036,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4888,
    "c": 0.14091,
    "h": 257.7
  },
  "luminance": 0.11455
}

Semantic roles & 50–950 ramp

primary

#255EAE

secondary

#C69F68

accent

#A240E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255EAE

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

Preview Lab → · Contrast checker → · Palette generator →