#256E8F#256E8F

#256E8F is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 50.9% C 0.088 H 231.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#256E8F
RGB	rgb(37, 110, 143)
HSL	hsl(199, 59%, 35%)
HSV	hsv(199, 74%, 56%)
CMYK	cmyk(74.1%, 23.1%, 0%, 43.9%)
CIE-LAB	lab(43.55, -10.85, -24.51)
CIE-LCH	lch(43.55, 26.80, 246.13°)
OKLab	oklab(50.86% -0.054 -0.0689)
OKLCH	oklch(50.86% 0.088 231.9)
XYZ	xyz(11.2948, 13.5270, 27.9970)
Luminance	0.1353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E8F #8F4625

analogous

#258F7B #256E8F #25398F

triadic

#256E8F #8F256E #6E8F25

tetradic

#256E8F #7B258F #8F4625 #398F25

square

#256E8F #7B258F #8F4625 #398F25

split-complementary

#256E8F #8F2539 #8F7B25

monochromatic

#0C232E #18495E #256E8F #3293C0 #5AAED4

Accessibility & contrast

On white

5.67

#256E8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#256E8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E8F

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E8F	#FFFFFF	#000000	##FFFFFF
##256E8F	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6D91

Deuteranopia (green-blind)

#4F628F

Tritanopia (blue-blind)

#007779

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #256e8f;
/* rgb */ color: rgb(37, 110, 143);
/* oklch */ color: oklch(50.9% 0.088 231.9);

Tailwind

colors: {
  custom: {
    50: '#6f97b0',
    500: '#256e8f',
    950: '#000000',
  },
}

SCSS

$custom: #256e8f;
$custom-light: #6f97b0;
$custom-dark: #000000;

JSON

{
  "hex": "#256e8f",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 143
  },
  "hsl": {
    "h": 198.679,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.50861,
    "c": 0.08751,
    "h": 231.9
  },
  "luminance": 0.13528
}

Semantic roles & 50–950 ramp

primary

#256E8F

secondary

#B97557

accent

#7646E2

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256E8F

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

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