#1B658F#1B658F

#1B658F is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.097 H 239.1°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B658F
RGB	rgb(27, 101, 143)
HSL	hsl(202, 68%, 33%)
HSV	hsv(202, 81%, 56%)
CMYK	cmyk(81.1%, 29.4%, 0%, 43.9%)
CIE-LAB	lab(40.45, -6.78, -29.37)
CIE-LCH	lch(40.45, 30.14, 257.00°)
OKLab	oklab(48.32% -0.0498 -0.0831)
OKLCH	oklch(48.32% 0.097 239.1)
XYZ	xyz(10.0616, 11.5223, 27.6750)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B658F #8F451B

analogous

#1B8F7F #1B658F #1B2B8F

triadic

#1B658F #8F1B65 #658F1B

tetradic

#1B658F #7F1B8F #8F451B #2B8F1B

square

#1B658F #7F1B8F #8F451B #2B8F1B

split-complementary

#1B658F #8F1B2B #8F7F1B

monochromatic

#081C28 #11415C #1B658F #2589C2 #48A7DC

Accessibility & contrast

On white

6.35

#1B658F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#1B658F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B658F

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B658F	#FFFFFF	#000000	##FFFFFF
##1B658F	1.00	6.35	3.30	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516591

Deuteranopia (green-blind)

#415B8E

Tritanopia (blue-blind)

#007074

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1b658f;
/* rgb */ color: rgb(27, 101, 143);
/* oklch */ color: oklch(48.3% 0.097 239.1);

Tailwind

colors: {
  custom: {
    50: '#6b90b0',
    500: '#1b658f',
    950: '#000000',
  },
}

SCSS

$custom: #1b658f;
$custom-light: #6b90b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b658f",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 143
  },
  "hsl": {
    "h": 201.724,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.48323,
    "c": 0.0969,
    "h": 239.1
  },
  "luminance": 0.11524
}

Semantic roles & 50–950 ramp

primary

#1B658F

secondary

#BE7348

accent

#7C3DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B658F

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

Preview Lab → · Contrast checker → · Palette generator →