#1E9BBB#1E9BBB

#1E9BBB is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.0% C 0.111 H 220.6°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#1E9BBB
RGB	rgb(30, 155, 187)
HSL	hsl(192, 72%, 43%)
HSV	hsv(192, 84%, 73%)
CMYK	cmyk(84%, 17.1%, 0%, 26.7%)
CIE-LAB	lab(59.25, -21.04, -25.73)
CIE-LCH	lch(59.25, 33.24, 230.73°)
OKLab	oklab(64.01% -0.084 -0.0721)
OKLCH	oklch(64.01% 0.111 220.6)
XYZ	xyz(21.2226, 27.3039, 51.1557)
Luminance	0.2731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E9BBB #BB3E1E

analogous

#1EBB8C #1E9BBB #1E4DBB

triadic

#1E9BBB #BB1E9B #9BBB1E

tetradic

#1E9BBB #8C1EBB #BB3E1E #4DBB1E

square

#1E9BBB #8C1EBB #BB3E1E #4DBB1E

split-complementary

#1E9BBB #BB1E4D #BB8C1E

monochromatic

#0D4452 #166F86 #1E9BBB #37BDDF #6CCEE7

Accessibility & contrast

On white

3.25

#1E9BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#1E9BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E9BBB

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E9BBB	#FFFFFF	#000000	##000000
##1E9BBB	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#7488BB

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #1e9bbb;
/* rgb */ color: rgb(30, 155, 187);
/* oklch */ color: oklch(64.0% 0.111 220.6);

Tailwind

colors: {
  custom: {
    50: '#78b8cf',
    500: '#1e9bbb',
    950: '#000000',
  },
}

SCSS

$custom: #1e9bbb;
$custom-light: #78b8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#1e9bbb",
  "rgb": {
    "r": 30,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 192.229,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.64014,
    "c": 0.11074,
    "h": 220.6
  },
  "luminance": 0.27307
}

Semantic roles & 50–950 ramp

primary

#1E9BBB

secondary

#CD7C67

accent

#5E39EF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #1E9BBB

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

Preview Lab → · Contrast checker → · Palette generator →