#255EBD#255EBD

#255EBD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.161 H 260.1°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#255EBD
RGB	rgb(37, 94, 189)
HSL	hsl(218, 67%, 44%)
HSV	hsv(218, 80%, 74%)
CMYK	cmyk(80.4%, 50.3%, 0%, 25.9%)
CIE-LAB	lab(41.33, 16.62, -55.18)
CIE-LCH	lch(41.33, 57.63, 286.76°)
OKLab	oklab(49.96% -0.0276 -0.1588)
OKLCH	oklch(49.96% 0.161 260.1)
XYZ	xyz(13.9476, 12.0712, 49.7291)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255EBD #BD8425

analogous

#25AABD #255EBD #3825BD

triadic

#255EBD #BD255E #5EBD25

tetradic

#255EBD #BD25AA #BD8425 #25BD38

square

#255EBD #BD25AA #BD8425 #25BD38

split-complementary

#255EBD #BD3825 #AABD25

monochromatic

#112B57 #1B458A #255EBD #457DDB #78A1E5

Accessibility & contrast

On white

6.15

#255EBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#255EBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255EBD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255EBD	#FFFFFF	#000000	##FFFFFF
##255EBD	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2269C0

Deuteranopia (green-blind)

#005BBB

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #255ebd;
/* rgb */ color: rgb(37, 94, 189);
/* oklch */ color: oklch(50.0% 0.161 260.1);

Tailwind

colors: {
  custom: {
    50: '#788bd1',
    500: '#255ebd',
    950: '#000000',
  },
}

SCSS

$custom: #255ebd;
$custom-light: #788bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#255ebd",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 189
  },
  "hsl": {
    "h": 217.5,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49964,
    "c": 0.16121,
    "h": 260.1
  },
  "luminance": 0.12073
}

Semantic roles & 50–950 ramp

primary

#255EBD

secondary

#CCAA72

accent

#A93EEA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #255EBD

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

Preview Lab → · Contrast checker → · Palette generator →