#1E91B2#1E91B2

#1E91B2 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.107 H 222.9°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#1E91B2
RGB	rgb(30, 145, 178)
HSL	hsl(193, 71%, 41%)
HSV	hsv(193, 83%, 70%)
CMYK	cmyk(83.1%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(55.83, -18.82, -25.92)
CIE-LCH	lch(55.83, 32.03, 234.01°)
OKLab	oklab(61.14% -0.0781 -0.0727)
OKLCH	oklch(61.14% 0.107 222.9)
XYZ	xyz(18.6933, 23.7388, 45.7077)
Luminance	0.2374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E91B2 #B23F1E

analogous

#1EB289 #1E91B2 #1E47B2

triadic

#1E91B2 #B21E91 #91B21E

tetradic

#1E91B2 #891EB2 #B23F1E #47B21E

square

#1E91B2 #891EB2 #B23F1E #47B21E

split-complementary

#1E91B2 #B21E47 #B2891E

monochromatic

#0C3C49 #15667E #1E91B2 #31B6DC #65C9E5

Accessibility & contrast

On white

3.65

#1E91B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#1E91B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E91B2

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E91B2	#FFFFFF	#000000	##000000
##1E91B2	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB4

Deuteranopia (green-blind)

#6B80B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1e91b2;
/* rgb */ color: rgb(30, 145, 178);
/* oklch */ color: oklch(61.1% 0.107 222.9);

Tailwind

colors: {
  custom: {
    50: '#75b1c9',
    500: '#1e91b2',
    950: '#000000',
  },
}

SCSS

$custom: #1e91b2;
$custom-light: #75b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e91b2",
  "rgb": {
    "r": 30,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 193.378,
    "s": 71.154,
    "l": 40.784
  },
  "oklch": {
    "l": 0.6114,
    "c": 0.10672,
    "h": 222.9
  },
  "luminance": 0.23741
}

Semantic roles & 50–950 ramp

primary

#1E91B2

secondary

#CA7962

accent

#623AEE

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1E91B2

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

Preview Lab → · Contrast checker → · Palette generator →