#256B9E#256B9E

#256B9E is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.9% C 0.106 H 244.4°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#256B9E
RGB	rgb(37, 107, 158)
HSL	hsl(205, 62%, 38%)
HSV	hsv(205, 77%, 62%)
CMYK	cmyk(76.6%, 32.3%, 0%, 38%)
CIE-LAB	lab(43.32, -3.56, -33.78)
CIE-LCH	lch(43.32, 33.96, 263.98°)
OKLab	oklab(50.92% -0.0458 -0.0958)
OKLCH	oklch(50.92% 0.106 244.4)
XYZ	xyz(12.1898, 13.3759, 34.2805)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B9E #9E5825

analogous

#259E94 #256B9E #252F9E

triadic

#256B9E #9E256B #6B9E25

tetradic

#256B9E #94259E #9E5825 #2F9E25

square

#256B9E #94259E #9E5825 #2F9E25

split-complementary

#256B9E #9E252F #9E9425

monochromatic

#0E283B #19496C #256B9E #318CCF #63A8DA

Accessibility & contrast

On white

5.71

#256B9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#256B9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B9E

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B9E	#FFFFFF	#000000	##FFFFFF
##256B9E	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536DA0

Deuteranopia (green-blind)

#43619D

Tritanopia (blue-blind)

#00777D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #256b9e;
/* rgb */ color: rgb(37, 107, 158);
/* oklch */ color: oklch(50.9% 0.106 244.4);

Tailwind

colors: {
  custom: {
    50: '#7195bb',
    500: '#256b9e',
    950: '#000000',
  },
}

SCSS

$custom: #256b9e;
$custom-light: #7195bb;
$custom-dark: #000000;

JSON

{
  "hex": "#256b9e",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 158
  },
  "hsl": {
    "h": 205.289,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.50919,
    "c": 0.10616,
    "h": 244.4
  },
  "luminance": 0.13377
}

Semantic roles & 50–950 ramp

primary

#256B9E

secondary

#C0885F

accent

#8743E5

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256B9E

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

Preview Lab → · Contrast checker → · Palette generator →