#255DAA#255DAA

#255DAA is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.4% C 0.137 H 257.4°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#255DAA
RGB	rgb(37, 93, 170)
HSL	hsl(215, 64%, 41%)
HSV	hsv(215, 78%, 67%)
CMYK	cmyk(78.2%, 45.3%, 0%, 33.3%)
CIE-LAB	lab(39.79, 9.89, -46.51)
CIE-LCH	lch(39.79, 47.54, 282.00°)
OKLab	oklab(48.38% -0.0299 -0.1333)
OKLCH	oklch(48.38% 0.137 257.4)
XYZ	xyz(11.9303, 11.1229, 39.5406)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DAA #AA7225

analogous

#259FAA #255DAA #3025AA

triadic

#255DAA #AA255D #5DAA25

tetradic

#255DAA #AA259F #AA7225 #25AA30

square

#255DAA #AA259F #AA7225 #25AA30

split-complementary

#255DAA #AA3025 #9FAA25

monochromatic

#0F2645 #1A4278 #255DAA #387AD4 #6B9CDF

Accessibility & contrast

On white

6.51

#255DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#255DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DAA

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DAA	#FFFFFF	#000000	##FFFFFF
##255DAA	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3564AD

Deuteranopia (green-blind)

#1858A8

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #255daa;
/* rgb */ color: rgb(37, 93, 170);
/* oklch */ color: oklch(48.4% 0.137 257.4);

Tailwind

colors: {
  custom: {
    50: '#748ac4',
    500: '#255daa',
    950: '#000000',
  },
}

SCSS

$custom: #255daa;
$custom-light: #748ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#255daa",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 170
  },
  "hsl": {
    "h": 214.737,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48376,
    "c": 0.13664,
    "h": 257.4
  },
  "luminance": 0.11124
}

Semantic roles & 50–950 ramp

primary

#255DAA

secondary

#C59D66

accent

#A141E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #255DAA

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

Preview Lab → · Contrast checker → · Palette generator →