#256FB0#256FB0

#256FB0 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 52.9% C 0.125 H 249.2°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#256FB0
RGB	rgb(37, 111, 176)
HSL	hsl(208, 65%, 42%)
HSV	hsv(208, 79%, 69%)
CMYK	cmyk(79%, 36.9%, 0%, 31%)
CIE-LAB	lab(45.49, 0.77, -40.93)
CIE-LCH	lch(45.49, 40.94, 271.08°)
OKLab	oklab(52.93% -0.0443 -0.1166)
OKLCH	oklch(52.93% 0.125 249.2)
XYZ	xyz(14.2809, 14.8951, 43.1883)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256FB0 #B06625

analogous

#25B0AC #256FB0 #2529B0

triadic

#256FB0 #B0256F #6FB025

tetradic

#256FB0 #AC25B0 #B06625 #29B025

square

#256FB0 #AC25B0 #B06625 #29B025

split-complementary

#256FB0 #B02529 #B0AC25

monochromatic

#102F4B #1A4F7D #256FB0 #3C8ED6 #6FABE1

Accessibility & contrast

On white

5.28

#256FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#256FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256FB0

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256FB0	#FFFFFF	#000000	##FFFFFF
##256FB0	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5073B3

Deuteranopia (green-blind)

#3C66AF

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #256fb0;
/* rgb */ color: rgb(37, 111, 176);
/* oklch */ color: oklch(52.9% 0.125 249.2);

Tailwind

colors: {
  custom: {
    50: '#7597c8',
    500: '#256fb0',
    950: '#000000',
  },
}

SCSS

$custom: #256fb0;
$custom-light: #7597c8;
$custom-dark: #000000;

JSON

{
  "hex": "#256fb0",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 176
  },
  "hsl": {
    "h": 208.058,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52934,
    "c": 0.12477,
    "h": 249.2
  },
  "luminance": 0.14897
}

Semantic roles & 50–950 ramp

primary

#256FB0

secondary

#C7956A

accent

#8E40E8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256FB0

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

Preview Lab → · Contrast checker → · Palette generator →