#1E7BB3#1E7BB3

#1E7BB3 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.119 H 241.3°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E7BB3
RGB	rgb(30, 123, 179)
HSL	hsl(203, 71%, 41%)
HSV	hsv(203, 83%, 70%)
CMYK	cmyk(83.2%, 31.3%, 0%, 29.8%)
CIE-LAB	lab(49.12, -6.06, -36.94)
CIE-LCH	lch(49.12, 37.43, 260.68°)
OKLab	oklab(55.81% -0.0574 -0.1048)
OKLCH	oklch(55.81% 0.12 241.3)
XYZ	xyz(15.7518, 17.6946, 45.2243)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E7BB3 #B3561E

analogous

#1EB3A0 #1E7BB3 #1E31B3

triadic

#1E7BB3 #B31E7B #7BB31E

tetradic

#1E7BB3 #A01EB3 #B3561E #31B31E

square

#1E7BB3 #A01EB3 #B3561E #31B31E

split-complementary

#1E7BB3 #B31E31 #B3A01E

monochromatic

#0C334A #15577F #1E7BB3 #329CDD #66B6E5

Accessibility & contrast

On white

4.63

#1E7BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#1E7BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1E7BB3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E7BB3	#FFFFFF	#000000	##FFFFFF
##1E7BB3	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB5

Deuteranopia (green-blind)

#4C6FB2

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1e7bb3;
/* rgb */ color: rgb(30, 123, 179);
/* oklch */ color: oklch(55.8% 0.119 241.3);

Tailwind

colors: {
  custom: {
    50: '#74a1ca',
    500: '#1e7bb3',
    950: '#000000',
  },
}

SCSS

$custom: #1e7bb3;
$custom-light: #74a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e7bb3",
  "rgb": {
    "r": 30,
    "g": 123,
    "b": 179
  },
  "hsl": {
    "h": 202.55,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55807,
    "c": 0.1195,
    "h": 241.3
  },
  "luminance": 0.17697
}

Semantic roles & 50–950 ramp

primary

#1E7BB3

secondary

#CB8962

accent

#7E3AEE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #1E7BB3

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

Preview Lab → · Contrast checker → · Palette generator →