#255B7C#255B7C

#255B7C is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.1% C 0.078 H 238.8°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#255B7C
RGB	rgb(37, 91, 124)
HSL	hsl(203, 54%, 32%)
HSV	hsv(203, 70%, 49%)
CMYK	cmyk(70.2%, 26.6%, 0%, 51.4%)
CIE-LAB	lab(36.61, -6.38, -23.80)
CIE-LCH	lch(36.61, 24.64, 255.00°)
OKLab	oklab(45.06% -0.0406 -0.067)
OKLCH	oklch(45.06% 0.078 238.8)
XYZ	xyz(8.1407, 9.3299, 20.4367)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B7C #7C4625

analogous

#257C72 #255B7C #25307C

triadic

#255B7C #7C255B #5B7C25

tetradic

#255B7C #72257C #7C4625 #307C25

square

#255B7C #72257C #7C4625 #307C25

split-complementary

#255B7C #7C2530 #7C7225

monochromatic

#09161E #17384D #255B7C #337EAB #509CCB

Accessibility & contrast

On white

7.33

#255B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#255B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B7C

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B7C	#FFFFFF	#000000	##FFFFFF
##255B7C	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5B7E

Deuteranopia (green-blind)

#40527B

Tritanopia (blue-blind)

#006366

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255b7c;
/* rgb */ color: rgb(37, 91, 124);
/* oklch */ color: oklch(45.1% 0.078 238.8);

Tailwind

colors: {
  custom: {
    50: '#6a89a2',
    500: '#255b7c',
    950: '#000000',
  },
}

SCSS

$custom: #255b7c;
$custom-light: #6a89a2;
$custom-dark: #000000;

JSON

{
  "hex": "#255b7c",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 124
  },
  "hsl": {
    "h": 202.759,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.45056,
    "c": 0.07831,
    "h": 238.8
  },
  "luminance": 0.09331
}

Semantic roles & 50–950 ramp

primary

#255B7C

secondary

#AE734F

accent

#824ADD

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #255B7C

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

Preview Lab → · Contrast checker → · Palette generator →