#1F7BB0#1F7BB0

#1F7BB0 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.7% C 0.116 H 240.0°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F7BB0
RGB	rgb(31, 123, 176)
HSL	hsl(202, 70%, 41%)
HSV	hsv(202, 82%, 69%)
CMYK	cmyk(82.4%, 30.1%, 0%, 31%)
CIE-LAB	lab(48.99, -7.09, -35.40)
CIE-LCH	lch(48.99, 36.11, 258.68°)
OKLab	oklab(55.66% -0.0579 -0.1003)
OKLCH	oklch(55.66% 0.116 240)
XYZ	xyz(15.4814, 17.5899, 43.6451)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7BB0 #B0541F

analogous

#1FB09C #1F7BB0 #1F33B0

triadic

#1F7BB0 #B01F7B #7BB01F

tetradic

#1F7BB0 #9C1FB0 #B0541F #33B01F

square

#1F7BB0 #9C1FB0 #B0541F #33B01F

split-complementary

#1F7BB0 #B01F33 #B09C1F

monochromatic

#0D3248 #16577C #1F7BB0 #319DDB #65B6E4

Accessibility & contrast

On white

4.65

#1F7BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#1F7BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7BB0

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7BB0	#FFFFFF	#000000	##FFFFFF
##1F7BB0	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627CB2

Deuteranopia (green-blind)

#4E6FAF

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1f7bb0;
/* rgb */ color: rgb(31, 123, 176);
/* oklch */ color: oklch(55.7% 0.116 240.0);

Tailwind

colors: {
  custom: {
    50: '#74a1c8',
    500: '#1f7bb0',
    950: '#000000',
  },
}

SCSS

$custom: #1f7bb0;
$custom-light: #74a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7bb0",
  "rgb": {
    "r": 31,
    "g": 123,
    "b": 176
  },
  "hsl": {
    "h": 201.931,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55662,
    "c": 0.11588,
    "h": 240
  },
  "luminance": 0.17592
}

Semantic roles & 50–950 ramp

primary

#1F7BB0

secondary

#C98762

accent

#7C3BED

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #1F7BB0

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

Preview Lab → · Contrast checker → · Palette generator →