#1F89B4#1F89B4

#1F89B4 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.111 H 231.2°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F89B4
RGB	rgb(31, 137, 180)
HSL	hsl(197, 71%, 41%)
HSV	hsv(197, 83%, 71%)
CMYK	cmyk(82.8%, 23.9%, 0%, 29.4%)
CIE-LAB	lab(53.47, -13.65, -30.71)
CIE-LCH	lch(53.47, 33.61, 246.04°)
OKLab	oklab(59.28% -0.0695 -0.0866)
OKLCH	oklch(59.28% 0.111 231.2)
XYZ	xyz(17.7456, 21.4757, 46.3811)
Luminance	0.2148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F89B4 #B44A1F

analogous

#1FB495 #1F89B4 #1F3FB4

triadic

#1F89B4 #B41F89 #89B41F

tetradic

#1F89B4 #951FB4 #B44A1F #3FB41F

square

#1F89B4 #951FB4 #B44A1F #3FB41F

split-complementary

#1F89B4 #B41F3F #B4951F

monochromatic

#0D3A4C #166180 #1F89B4 #34ACDC #68C1E5

Accessibility & contrast

On white

3.97

#1F89B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#1F89B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F89B4

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F89B4	#FFFFFF	#000000	##000000
##1F89B4	1.00	3.97	5.30	5.30
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1f89b4;
/* rgb */ color: rgb(31, 137, 180);
/* oklch */ color: oklch(59.3% 0.111 231.2);

Tailwind

colors: {
  custom: {
    50: '#75abca',
    500: '#1f89b4',
    950: '#000000',
  },
}

SCSS

$custom: #1f89b4;
$custom-light: #75abca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f89b4",
  "rgb": {
    "r": 31,
    "g": 137,
    "b": 180
  },
  "hsl": {
    "h": 197.315,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59282,
    "c": 0.11104,
    "h": 231.2
  },
  "luminance": 0.21478
}

Semantic roles & 50–950 ramp

primary

#1F89B4

secondary

#CB8264

accent

#6E3AED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1F89B4

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

Preview Lab → · Contrast checker → · Palette generator →