#1E88AD#1E88AD

#1E88AD is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.7% C 0.106 H 227.4°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#1E88AD
RGB	rgb(30, 136, 173)
HSL	hsl(196, 70%, 40%)
HSV	hsv(196, 83%, 68%)
CMYK	cmyk(82.7%, 21.4%, 0%, 32.2%)
CIE-LAB	lab(52.84, -15.68, -27.67)
CIE-LCH	lch(52.84, 31.80, 240.47°)
OKLab	oklab(58.68% -0.0715 -0.0778)
OKLCH	oklch(58.68% 0.106 227.4)
XYZ	xyz(16.8793, 20.8993, 42.6714)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E88AD #AD431E

analogous

#1EAD8A #1E88AD #1E41AD

triadic

#1E88AD #AD1E88 #88AD1E

tetradic

#1E88AD #8A1EAD #AD431E #41AD1E

square

#1E88AD #8A1EAD #AD431E #41AD1E

split-complementary

#1E88AD #AD1E41 #AD8A1E

monochromatic

#0C3645 #155F79 #1E88AD #2EAEDB #62C2E4

Accessibility & contrast

On white

4.05

#1E88AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#1E88AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E88AD

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E88AD	#FFFFFF	#000000	##000000
##1E88AD	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7486AF

Deuteranopia (green-blind)

#6278AD

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1e88ad;
/* rgb */ color: rgb(30, 136, 173);
/* oklch */ color: oklch(58.7% 0.106 227.4);

Tailwind

colors: {
  custom: {
    50: '#74aac5',
    500: '#1e88ad',
    950: '#000000',
  },
}

SCSS

$custom: #1e88ad;
$custom-light: #74aac5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e88ad",
  "rgb": {
    "r": 30,
    "g": 136,
    "b": 173
  },
  "hsl": {
    "h": 195.524,
    "s": 70.443,
    "l": 39.804
  },
  "oklch": {
    "l": 0.58676,
    "c": 0.10567,
    "h": 227.4
  },
  "luminance": 0.20901
}

Semantic roles & 50–950 ramp

primary

#1E88AD

secondary

#C87A5E

accent

#693BED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1E88AD

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

Preview Lab → · Contrast checker → · Palette generator →