#1C658B#1C658B

#1C658B is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.1% C 0.092 H 236.6°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C658B
RGB	rgb(28, 101, 139)
HSL	hsl(201, 66%, 33%)
HSV	hsv(201, 80%, 55%)
CMYK	cmyk(79.9%, 27.3%, 0%, 45.5%)
CIE-LAB	lab(40.27, -8.18, -27.23)
CIE-LCH	lch(40.27, 28.43, 253.29°)
OKLab	oklab(48.13% -0.0508 -0.0769)
OKLCH	oklch(48.13% 0.092 236.6)
XYZ	xyz(9.7909, 11.4171, 26.1088)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C658B #8B421C

analogous

#1C8B7A #1C658B #1C2D8B

triadic

#1C658B #8B1C65 #658B1C

tetradic

#1C658B #7A1C8B #8B421C #2D8B1C

square

#1C658B #7A1C8B #8B421C #2D8B1C

split-complementary

#1C658B #8B1C2D #8B7A1C

monochromatic

#071B25 #124058 #1C658B #268ABE #47A8DA

Accessibility & contrast

On white

6.40

#1C658B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#1C658B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C658B

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C658B	#FFFFFF	#000000	##FFFFFF
##1C658B	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53658D

Deuteranopia (green-blind)

#445A8A

Tritanopia (blue-blind)

#006F72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1c658b;
/* rgb */ color: rgb(28, 101, 139);
/* oklch */ color: oklch(48.1% 0.092 236.6);

Tailwind

colors: {
  custom: {
    50: '#6b90ad',
    500: '#1c658b',
    950: '#000000',
  },
}

SCSS

$custom: #1c658b;
$custom-light: #6b90ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c658b",
  "rgb": {
    "r": 28,
    "g": 101,
    "b": 139
  },
  "hsl": {
    "h": 200.541,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.48129,
    "c": 0.09214,
    "h": 236.6
  },
  "luminance": 0.11418
}

Semantic roles & 50–950 ramp

primary

#1C658B

secondary

#BC6F47

accent

#793EE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1C658B

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

Preview Lab → · Contrast checker → · Palette generator →